This Week: Death of the mastadon
In the News: Antarctic ozone hole: 10th largest on record!
Coming Thursday: Return of the wild: Coyotes, bears and turkeys are back!
Minute sand dollar larvae, tasty morsels in a sea of famished fish, have a clever way to help ensure their genes are passed to the next generation.
Without trillions of bacteria in our guts, we die. But how do these bacteria colonize the bug-free human infant just after birth? New study details bacterial balancing act.
Cooperation is a classic human trait, but chimps do it too. A new study sheds light on the “what’s-in-it-for-me” angle of cooperation: It’s good for your genes.
Big sharks eat little sharks and rays, which eat shellfish. So the ultimate effect of hunting big sharks may be a disappearance of shellfish.
Toxins are nature’s best defenses. The Asian snake can get toxin by eating toxic food. If an Asian snake offers to let you gobble its pretty neck, don’t be tempted!