A group of excited observers during a peak of the Geminids meteor shower. Flickr/Tasayu Tasnaphun, CC BY-NC-ND
Watching meteors in the night sky can be fun, although typically you only see a few flashes an hour. But there are certain times of the year when you can see many more – events known as meteor showers.
These are caused by Earth moving through streams of debris left behind by passing comets and asteroids. Such showers are typically active for several days or even weeks, but usually feature short, sharp climaxes, or “maxima,” with their best rates being visible on just a single night.
Compared to other antisocial people, psychopaths lack empathy and are less able to understand punishment. Viktor Gladkov/Shutterstock
The psychologist David Lykken once wrote that most violent crime could be prevented by cryogenically freezing all males aged 12 to 28. Although this option might be appealing at times for high school teachers and parents of teenage boys, it has some fairly obvious problems. For one thing, 28-year-old men might react violently, after thawing out, when they realise they’ve been cheated of their youth.
Average Americans don’t view science issues the same way scientists do. Man image via www.shutterstock.com.
A new set of surveys of scientists and the public finds the two groups have widely different views about scientific issues. Conducted by the Pew Research Center in collaboration with the American Association for the Advancement of Science, the survey found scientists tended to have a more positive opinion of many technologies than the general public.
Cannibalistic crabs are hard to hatch and rear, but researchers in Indonesia are finding ways to stop them from eating each other. alexsvirid/Shutterstock
Do you like eating crabs? In Jakarta, enjoying the tasty crustaceans has become a hot trend, as more restaurants with names like The Holy Crab and Cut the Crab open up. Crabs are delicious delicacies, great to serve with spicy sauce, either fried or grilled.
While crab meat is not yet a big part of the traditional Indonesian diet, crabs are already big business, here and globally. Crabs are very popular in China and the United States, the two largest consumers of crab in the world.