News tagged with current biology

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Sawfishes sure can wield a saw (w/ video)

Sawfishes wouldn't be sawfishes if they didn't come equipped with long toothy snouts—their saws. Now, researchers reporting in the March 6 issue of Current Biology, have figured out what they use those saws for, and it ...

Mar 05, 2012 4.5 / 5 (15) 9 | with audio podcast

Wolves howl because they care

When a member of the wolf pack leaves the group, the howling by those left behind isn't a reflection of stress but of the quality of their relationships. So say researchers based on a study of nine wolves ...

Aug 22, 2013 4.3 / 5 (21) 13 | with audio podcast

For fish, fear smells like sugar

When one fish gets injured, the rest of the school takes off in fear, tipped off by a mysterious substance known as "Schreckstoff" (meaning "scary stuff" in German). Now, researchers reporting online on February 23 in the ...

Feb 23, 2012 4.8 / 5 (4) 0 | with audio podcast

How birds lost their penises

In animals that reproduce by internal fertilization, as humans do, you'd think a penis would be an organ you couldn't really do without, evolutionarily speaking. Surprisingly, though, most birds do exactly ...

Jun 06, 2013 4.5 / 5 (6) 0 | with audio podcast

This is what a fish thought looks like

For the first time, researchers have been able to see a thought "swim" through the brain of a living fish. The new technology is a useful tool for studies of perception. It might even find use in psychiatric ...

Jan 31, 2013 4.7 / 5 (7) 0 | with audio podcast