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Where Is The Human Heart Located? | IFLScience We Have QuestionsA picture of a smartphone with the "We have Questions" logo on the screen overlaid on an x-ray of a human chest and illustrations of human hearts. Where Is The Human Heart Located? | IFLScience We Have QuestionsA picture of a smartphone with the "We have Questions" logo on the screen overlaid on an x-ray of a human chest and illustrations of human hearts.

Where Is The Human Heart Located? | IFLScience We Have Questions

It’s probably not where you suspect. Thinking it’s on the left? You’re almost right.

clock-icon5 hours ago

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As Bird Flu Officially Hits Every Continent On Earth, A Warning From Scientists: Prepare For The Unexpectedbrown skua bird sitting among green leaves
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As Bird Flu Officially Hits Every Continent On Earth, A Warning From Scientists: Prepare For The Unexpected

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The Top 10 Percent Of Global Consumers Cost Planet Earth Up To $5.7 Trillion Each YearAeroplanes line up at Los Angeles International Airport (LAX) in California.
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The Top 10 Percent Of Global Consumers Cost Planet Earth Up To $5.7 Trillion Each Year

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NASA's Swift Space Telescope Is Crashing Down To Earth. An Ambitious Mission Launching This Week Will Try To Save It

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Ambitious Bornean And Sumatran Rhino IVF Plan Is The Last Hope For A Species On The Brink Of Extinction Despite The Risks

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SS Warrimoo: The Ship That Straddled Two Centuries, And The Baby That Was Born On A Sunday As Well As A Tuesday

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Trending

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A Tree-Dwelling Shrimp Wasn't What Scientists Were Expecting To Find When Trekking The Cyclops MountainsTree-Dwelling Shrimp
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A Tree-Dwelling Shrimp Wasn't What Scientists Were Expecting To Find When Trekking The Cyclops Mountains

"We were quite shocked to discover this shrimp in the heart of the forest."

clock-iconJune 10, 2026
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Do “Vitamin Patches” Actually Do Anything? Here’s The Sciencewhite patch stuck on woman's upper arm
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Do “Vitamin Patches” Actually Do Anything? Here’s The Science

Some medicines can be successfully delivered by skin patch. Quite a lot can’t.

clock-iconJune 9, 2026
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Most Read

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In 2007, The World's Longest-Living Mammal Was Found With A 100-Year-Old Harpoon Still Inside ItHarpoon inside Bowhead whale
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In 2007, The World's Longest-Living Mammal Was Found With A 100-Year-Old Harpoon Still Inside It

The century-old weapon had remained lodged in its body.

clock-iconJune 10, 2026
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In 2024, A Routine Observational Study Captured Something Nobody Had Ever Seen Before – California's Squirrels Hunting And Eating Other MammalsVole hunting squirrels.
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In 2024, A Routine Observational Study Captured Something Nobody Had Ever Seen Before – California's Squirrels Hunting And Eating Other Mammals

“This was shocking. We had never seen this behavior before.”

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Latest

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Interstellar Comet 3I/ATLAS Has An Older, Colder, And More Intense Origin Story, Stretching Back Up To 12 Billion Yearsthe comet is fuzzy with no major tail. distant stars appear as line instead of dots as the telescope moved to track the comet
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Interstellar Comet 3I/ATLAS Has An Older, Colder, And More Intense Origin Story, Stretching Back Up To 12 Billion Years

This object is providing insights into what planetary systems might have been like long before the Earth existed.

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In 2024, A Dropped Bag Of Cheetos Nearly Sparked Ecosystem Chaos In Largest US Cave ChamberThe bag of snacks was dropped in the Big Room of Carlsbad Caverns and appears to have been festering for some time.
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In 2024, A Dropped Bag Of Cheetos Nearly Sparked Ecosystem Chaos In Largest US Cave Chamber

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Homo Naledi's Brain Was Wired Up In An Unusual Way – Did That Make It Capable Of Burying Its Dead?Homo naledi skull
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Homo Naledi's Brain Was Wired Up In An Unusual Way – Did That Make It Capable Of Burying Its Dead?

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The “Sasquatch Of The Sea” Was Feared To Be Lost, But The Discovery Of A Hidden Lair Spells Hope For One Of California’s Most Vital Habitatsa sunflower sea star sprawled on a black background, it has 20 arms
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The “Sasquatch Of The Sea” Was Feared To Be Lost, But The Discovery Of A Hidden Lair Spells Hope For One Of California’s Most Vital Habitats

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Humans

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200-Year-Old Rock Art Of A Tusked Monster May Depict An Extinct Creature That Vanished 200 Million Years AgoPainting of an elusive animal with downward tusks created by the San in the early 1800s.
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200-Year-Old Rock Art Of A Tusked Monster May Depict An Extinct Creature That Vanished 200 Million Years Ago

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In 1944, Over 1,000 Allied POWs Sunk On A "Hell Ship" – 82 Years On, They've Just Found The WreckThe freighter Hofuku Maru, which was converted into a “Hellship” by the Japanese Navy during WWII, and was sunk with over 1200 Allied POWs aboard.
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In 1944, Over 1,000 Allied POWs Sunk On A "Hell Ship" – 82 Years On, They've Just Found The Wreck

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100,000-Year-Old Symbolic Carvings Weren’t An Early Form Of Written Communication – New Study Adds To Hot Debate100,000-year-old engraved artifacts from South Africa
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100,000-Year-Old Symbolic Carvings Weren’t An Early Form Of Written Communication – New Study Adds To Hot Debate

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500 Years Before Humans Built Stonehenge, They Made A "Prototype" That Lined Up With The SunAn illustration showing what archaeologists think the new site looked like 5,000 years ago.
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500 Years Before Humans Built Stonehenge, They Made A "Prototype" That Lined Up With The Sun

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Health and Medicine

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The HPV Vaccine Reduces Risk Of Fatal Cervical Cancer Before 30 To Effectively Zerowoman in yellow top with post-vaccination plaster on arm
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The HPV Vaccine Reduces Risk Of Fatal Cervical Cancer Before 30 To Effectively Zero

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GLP-1 Medications Such As Ozempic And Wegovy May Have A Secret Effect On Violent BehaviorA photo showing a male police officer handcuffing a male suspect from behind. The suspect is wearing a stone grey hoodie. The shot is framed so that neither person's head is visible and it has been taken at night or in the dark.
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GLP-1 Medications Such As Ozempic And Wegovy May Have A Secret Effect On Violent Behavior

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Put Your Smartwatch On A Fruit And Something Really Weird Happens. How Can A Banana Have A Heart Rate?a banana wears a smart watch, the cardiac reading shows a pulse rate of 76 beats per minute
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Put Your Smartwatch On A Fruit And Something Really Weird Happens. How Can A Banana Have A Heart Rate?

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New Hair Loss Drug Is Being Touted As Biggest Breakthrough In Decades – And It Might Be The Real Dealman examining hair in the mirror, viewed from behind
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New Hair Loss Drug Is Being Touted As Biggest Breakthrough In Decades – And It Might Be The Real Deal

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Nature

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This Small Group Of Whales Only Live In One Place – Until Scientists Tagged Them And Found One Went Rogue On A 7,000-Kilometer TripA photo showing one of the Arabian Humpback Whales breaching from the water. Most of its upper body has left the water and is heading directly up, revealing the animal's white underbelly.
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This Small Group Of Whales Only Live In One Place – Until Scientists Tagged Them And Found One Went Rogue On A 7,000-Kilometer Trip

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Prototaxites Were 8-Meter-Tall Organisms That Lived On Land Before Trees. Not Plants, Not Fungi, Something Else EntirelyArtist impression of what Prototaxites would have look like in life. It is a gray pillar-like structure
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Prototaxites Were 8-Meter-Tall Organisms That Lived On Land Before Trees. Not Plants, Not Fungi, Something Else Entirely

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In 2021, Scientists Found The World’s Smallest Chameleon And Discovered It Has “Surprisingly Large” GenitalsThe males of Brookesia nana are packing surprisingly large genitals.
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In 2021, Scientists Found The World’s Smallest Chameleon And Discovered It Has “Surprisingly Large” Genitals

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In 2014, Scientists Noticed A Strange Moaning Sound Near The Mariana Trench. Not Ship Noise, But An Ocean GiantGiant Tube Worms Riftia pachyptila thriving at a deep-sea hydrothermal vent in the Mariana Trench 2025
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In 2014, Scientists Noticed A Strange Moaning Sound Near The Mariana Trench. Not Ship Noise, But An Ocean Giant

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Space and Physics

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Perseverance Just Completed A Marathon On Mars Twice As Quick As Its Predecessor – And It's Not Done Smashing RecordsA selfie of the Perseverance rover on Mars looking at the camera. You can see its tracks in the red dust behind it. There is a little badge in the top left corner of the picture that says "Persevearance Rover 26.2 Miles" becasue it just completed a marathon on Mars.
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Perseverance Just Completed A Marathon On Mars Twice As Quick As Its Predecessor – And It's Not Done Smashing Records

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Precious Gemstone Garnet Found In Martian Meteorite – It Could Reveal Unexpected Secrets Of The Red PlanetAn image of the Red planet showing almost a full disk.
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Precious Gemstone Garnet Found In Martian Meteorite – It Could Reveal Unexpected Secrets Of The Red Planet

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‘Shadow Blaster’ Galaxy Might Be Evidence Of Energetic Neutrinos Produced In Intense Star-Forming Episodesthree images showing optical views, composite and submillimeter of the lensed galaxy. The foreground object warps the image of the distant galaxy turning it into an arc.
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‘Shadow Blaster’ Galaxy Might Be Evidence Of Energetic Neutrinos Produced In Intense Star-Forming Episodes

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Mystery Of Lights In The Pre-Satellite Sky Deepens As Research Finds 11 Clustered Events In 1951 And 1953Astronomic plates taken minutes apart. One shows several objects, in the next they are gone.
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Mystery Of Lights In The Pre-Satellite Sky Deepens As Research Finds 11 Clustered Events In 1951 And 1953

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Technology

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AI Is Obsessed With A Lighthouse Keeper Called Elias Thorne – Even Though He Doesn’t ExistLighthouse scene
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AI Is Obsessed With A Lighthouse Keeper Called Elias Thorne – Even Though He Doesn’t Exist

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All Aboard: Google Earth Has Just Made Its Flight Simulator Freely Available On DesktopA cruise over the Grand Canyon using Google Earth's Flight Simulator, screenshotted shortly before crashing.
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All Aboard: Google Earth Has Just Made Its Flight Simulator Freely Available On Desktop

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One Year On, The World’s Largest Sand Battery Is Showing How A New Way Is PossibleAn engineer looks u at the sand batteryin Pornainen, Finland.
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One Year On, The World’s Largest Sand Battery Is Showing How A New Way Is Possible

clock-iconJune 13, 2026
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On July 17, 1984, Millions Of People Tuned In To Watch A Train Crash Live On Television. It Was No Ordinary AccidentA train in snowy weather.
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On July 17, 1984, Millions Of People Tuned In To Watch A Train Crash Live On Television. It Was No Ordinary Accident

clock-iconJune 11, 2026
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Culture and Society

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The USA Is About To Bury A Time Capsule 3 Meters Underground, Not To Be Opened Until July 4, 2276A cannister with the words "America 250" written on the front.
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The USA Is About To Bury A Time Capsule 3 Meters Underground, Not To Be Opened Until July 4, 2276

clock-icon5 days ago

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The Prime Meridian Isn't Actually At The Prime Meridian. To Get To It You Have To Walk 102 MetersA marker line of the prime meridian at Greenwich.
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The Prime Meridian Isn't Actually At The Prime Meridian. To Get To It You Have To Walk 102 Meters

clock-iconJune 12, 2026
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450 "Experts" Predict What The World Will Be Like In 2036, And Buddy, It Ain't PrettyA futuristic-looking server room, glowing lots of colors.
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450 "Experts" Predict What The World Will Be Like In 2036, And Buddy, It Ain't Pretty

clock-iconJune 11, 2026

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The Geologically And Physically Impossible Tale Of Mel's Hole Began On February 21, 1997A Google Map of Thorp, Washington.
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The Geologically And Physically Impossible Tale Of Mel's Hole Began On February 21, 1997

clock-iconJune 10, 2026
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Company and Product Insights

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How To Get More IFLScience: Add Us As A “Preferred Source" On GoogleA logo of IFLScience with a hand pointing towards it
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How To Get More IFLScience: Add Us As A “Preferred Source" On Google

clock-iconSeptember 3, 2025

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Unlocking The Future Together: Why IFLScience Is Launching A Membership Modelcollage of images related to science with "iflscience is evolving" written in the centre
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Unlocking The Future Together: Why IFLScience Is Launching A Membership Model

clock-iconJanuary 20, 2025
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Opening The Vault: Uncovering A World Of Strange And Intriguing ScienceAn image of the vault doors opening with a screenshot of the IFLScience Vault article.
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Opening The Vault: Uncovering A World Of Strange And Intriguing Science

clock-iconJanuary 20, 2025
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Features

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Socratea Exorrhiza: The Trees With Roots So Weird, Scientists Once Proposed That They Could "Walk"Odd, separated roots of socratea exorrhiza, aka the "walking palm".
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Socratea Exorrhiza: The Trees With Roots So Weird, Scientists Once Proposed That They Could "Walk"

The "walking palm" of Central and South America looks so weird scientists thought they were walking around like Groot.

clock-icon1 hour ago

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These 570-Million-Year-Old Fossils Are Some Of The Strangest Ever Found On Earth, And We Finally Know WhyA diorama of the macroscopic organisms of the Avalon assemblage at the Smithsonian National Museum of Natural History, the oldest and earliest-known major phase of Ediacaran biota.
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These 570-Million-Year-Old Fossils Are Some Of The Strangest Ever Found On Earth, And We Finally Know Why

“The Ediacara Biota look totally bizarre in their appearance.”

clock-icon1 hour ago
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Multimedia

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How We Remember: The Neuroscience of Memory Explainedblue brain image on a black background to the right of yellow text that reads How Does Memory Work?
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How We Remember: The Neuroscience of Memory Explained

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AI Consciousness Explained: Science vs Philosophya robot
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AI Consciousness Explained: Science vs Philosophy

clock-iconApril 24, 2026

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Unethical Experiments That Shook The WorldThe Tuskegee syphilis study
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Unethical Experiments That Shook The World

clock-iconApril 17, 2026