Scientists have observed a deep-sea octopus for the first time ever and found she broods over her eggs for years -- longer than any other known animal on the planet.
On TV: Personalities
Chris St. Clair
The most-exciting way to cool off
If you're brave enough - and hot enough - try one of these summer thrills.
Eureka: Cool-burning flames on ISS
A discovery on board the ISS could revolutionize clean transportation on Earth.
How fitness trackers can help you succeed
These gadgets can be a real help in tracking your progress.