1. Researchers have come up with a new resilient material that might help us make scratchproof lenses and nearly unbreakable glass. What animal helped them discover this material?
Abalone.

2. Some recently found fossils are clueing scientists into the lifestyles of ancient whales. What were early whales probably doing a little over 53 million years ago?
Walking around.

3. Along the Alaskan coast, the usual meals for killer whales--seals and sea lions--have become scarce, and a few killer whales have moved on to a strange new appetizer. What are they eating?
Sea otters.

4. People worried about the survival of salmon have worked hard to keep human interference--like overfishing, dams, and pollution--from killing off the species. But now salmon face a new enemy. What is it?
A deadly virus.

5. We know that giant squids exist because a dead one occasionally washes up on shore. But no one has ever seen a live one. Renowned deep sea photographer Emory Kristof ventured a mile under the Indian Ocean to try and photograph a giant squid for the first time. What kind of bait did Emory Kristof use to lure the giant squid?
Liquified fish slurry.