Featured in tales from the field

Why 10,000 steps a day isn’t the secret to better health
Trees hold the secrets to centuries of climate data
This lightbulb is more than 100 years old—and it still works
Neanderthal genes are still helping humans today
Can we brew our own beer on Mars?
How NASA kept its Mars rovers alive long past their expiration dates
How humans have adapted to the harshest environments
These jellyfish seem to cheat death. What’s their secret?
The world’s most diverse group of bacteria lives inside your mouth
Aliens could be talking to us right now. This scientist is listening.