The great white shark attack in Manhattan Beach, Calif., Saturday happened when a swimmer accidentally swam toward a shark that had been hooked by a fisherman 45 minutes before and was struggling to get free.
The emperor penguin, the world's largest penguin, faces a dramatic population decline over the next 85 years, researchers say. Shrinking Antarctic ice sheets threaten the habitat and food sources of the emperor penguin.
Just in the past week several tales have surfaced of brushes with great white sharks off northeastern Atlantic shores – including some eyebrow-raising video. Thank (or blame) conservation efforts, researchers say.