Blade The expanded part of a leaf or petal.
Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matter (adaptation). You'll also learn what a genetic bottleneck is, and how genetic bottlenecks affect conservation...
New Evidence Debunks ‘Stupid’ Neanderthal Myth
Dinosaurs In Bullet-proof Vests
The gallbladder: The digestive holding tank