Projected slowdown of ozone loss by the end of the current decade can be seen as a first sign of ozone recovery
Chimps display altruistic behavior..
People infect animals, too.
Did Pterosaurs sail, as well as fly?
Even the spineless feel pain.
Swine see their world—if not themselves—in the mirror.
Human activity is behind mounting sea levels.
Climate change sends the growth of ancient trees into overdrive.
Northern elephant seals sleep on the descent.
With proper safeguards, water currents can be harnessed out of sight.
Barely pulled back from the brink of extinction, California condors are still being poisoned by lead-based ammunition.
Vulnerable everywhere in the wild, lions already face regional extinction.
Reef-building sponges are giving up their long-held secrets.