Some echinoderms have thousands of eyes on their backs. When the lights come on, they switch to wearing shades.
Through Islam and the Internet, a new generation seeks its fair share.
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.