Reared by puppets
To breed condors in captivity, we must pull on the strings of nature. But does that matter if we save a species?
The end of night
An eternal electric day is creeping across the globe, but our brains and bodies cannot cope in a world without darkness
Dead or Alive?
Is it time to kill off the idea of the ‘Selfish Gene’? We asked four experts to respond to our most controversial essay
Michael Angus, Murray Fredericks
Dirk, Dolly and Dolores
Animals aren’t tools for thinking. Animals are some of the basic building blocks of thought itself
The last meadows?
One tree at a time, forests are edging out the world’s mountain meadows. Can we save these islands of diversity?
Earth’s oceans are beginning to warm and turn acidic, endangering plankton and the entire marine food chain
The snowy owl
This winter has seen an irruption of snowy owls in the US. What does it mean to see Arctic birds so far from home?
Our quantum problem
When the deepest theory we have seems to undermine science itself, some kind of collapse looks inevitable
Is this life real?
Philosophers and physicists say we might be living in a computer simulation, but how can we tell? And does it matter?
Burning like a mountain
Fire has come roaring back into America’s West after a century of attempted extirpation. Can our land take the wild heat?
Giant instruments are giving us a sea of data. Can science find its way without any big ideas at the helm?
Like the deadly pufferfish, wild mushrooms are for culinary daredevils. Care to play Russian roulette with your dinner?