Photos: The Best of Sam

Shoo, porpoise, shoo! →

Small "pingers" keep porpoises away from fishing nets, and don't seem to bother them at all.

Dueling studies: Coffee →

Too much coffee may be bad for you, but just enough can help lower women's body fat.

A visual ‘prosthetic’ for the blind →

In an early proof of concept, researchers were able to have blind people "see" letters via brain stimulation.

“Shapeshifting vampire demon anchovy” →

A new, freaky looking prehistoric fish was discovered in Pakistan. Emphasis on "freaky looking."

Laughing at penguin poop →

Penguin poop apparently emits a lot of nitrous oxide. Bad for the environment, but funny for researchers.

Saving face →

Beard hair isn't just a fashion thing — it may protect hipsters' faces from inevitable punches.