Be Smart
How Feathered Dinosaurs Accidentally Invented Flight
How did dinosaurs become birds—and what good is half a wing?
How did dinosaurs become birds—and what good is half a wing?
Just how big would a telescope need to be to actually see an alien world in detail?
The key enzyme behind photosynthesis isn’t actually all that great at its job.
The oldest rocks on Earth are more than just ancient—they’re time machines!