What is ”egg-shaped” even? I used to think it was the shape of a chicken egg. Then one day I saw a collection of eggs from lots of different bird species, and I realized just how many different kind of egg shapes there really are! I had to know why. And it turns out a couple teams of scientists had wondered the same thing. Here’s what science says about why eggs are egg-shaped, if that’s even a thing, which I’ve learned it might not be. Evolution of bird eggs, go!
Susanne Åkesson, Professor of Evolutionary Ecology at Lund University in Sweden, has been awarded the prestigious Ig Nobel Prize. The prize, which she shares with six other researchers from Hungary and Spain, was presented to them for their discovery that white horses aren’t particularly bothered by blood-sucking horse-flies. Continue reading
Every summer it seems like there’s that one person who always gets a lot of mosquito bites. But what makes people mosquito magnets? Continue reading
Fish living in the oceans around Antarctica seem like they should freeze to death. But notothenioids have it all figured out, thanks to the antifreeze proteins in their blood! Continue reading
Thousands of animal species use toxic chemicals to defend themselves from predators. Snakes have blood clotting compounds in their fangs, the bombardier beetle has corrosive liquid in its abdomen and jellyfish have venomous, harpoon-like structures in their tentacles. But how do these animals survive their own poisons? Continue reading
From a tree to an orangutan to bacterium, the annual top 10 new species list has the newest stars of Earth’s biodiversity. Continue reading
A parasitic wasp has injected her eggs into a caterpillar — and now they’re ready to hatch. Continue reading
To make a crewed Mars mission possible, there are incredibly complex problems that need to be solved. Here are some of the things at the top of NASA’s to-do list, and how engineers and psychologists are figuring them out. Continue reading