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A whale with a distinctly human-like voice

For the first time, researchers have been able to show by acoustic analysis that whales—or at least one very special white whale—can imitate the voices of humans. That's a surprise, because whales typically ...

dateOct 22, 2012 in Plants & Animals
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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 ...

dateMar 05, 2012 in Plants & Animals
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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 ...

dateAug 22, 2013 in Plants & Animals
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Dogs hear our words and how we say them

When people hear another person talking to them, they respond not only to what is being said—those consonants and vowels strung together into words and sentences—but also to other features of that speech—the ...

dateNov 26, 2014 in Plants & Animals
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How bacteria control their size

Scientists have traditionally studied bacteria in large numbers, not individually. Working with tens of millions of cells in a culture flask, they tracked their growth by looking at how much the cells dimmed ...

dateJan 05, 2015 in Cell & Microbiology
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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 ...

dateFeb 23, 2012 in Plants & Animals
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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 ...

dateJun 06, 2013 in Plants & Animals
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