Bonobo females bully the boys, and more…

We used to think that of our primate relatives, chimps were the more aggressive ape and bonobos were more peaceful. A recent study found that bonobos are just as antagonistic as chimps, but it's the females targeting males. PLUS: Mission to deflect an asteroid was a smashing successLow gravity environments can lead to stronger blood clots in astronautsFrom fire to galaxy formation, a celebration of friction as a fundamental forceWinter spiders survive subzero temperatures with a potent antifreeze