Biotechnology and other life sciences promise to transform our health, identity, even our brains. Should we be worried?
Does life have a purpose?
Nobody expects atoms and molecules to have purposes, so why do we still think of living things in this way?
Figurines, fishers, bugs and bats – how things in the world become sacred objects in a museum
Stories in the night
Insomnia brings many gifts — the noises of the night, the twist of narrative, and a stolen march on time
Human awareness of our own minds and others' is unlike that of any other animal. But why did consciousness evolve?
What life wants
Dead matter has no goals of its own, yet life is constantly striving. That makes it a deep puzzle for physics
Salamanders, fish and perhaps even humans are evolving fast in response to toxic chemicals. Is that bad?
The vanishing groves
A chronicle of climates past and a portent of climates to come – the telling rings of the bristlecone pine