In Earth's youth, photosynthetic life forms thrived for a billion years without producing so much as a whiff of oxygen. So why did some start pumping it out? (full text available to subscribers)
As if pesticides and mysterious illnesses aren't enough to deal with, British honeybees had their worst winter since records began thanks to rainy weather
Watching live video of your body with a halo effect flashing in sync with your heartbeat can make you feel you are where the video shows your body to be
All the latest on newscientist.com: how Earth got its oxygen, how to keep the NSA out of your business, inside a hospital for dangerous minds, and more
