Microscopic spines connect worm neurons

Dendritic "spines"—small protrusions on the receiving side of the connection (synapse) between two nerve cells—are recognized as key functional components of neuronal circuits in mammals. The shapes and numbers of spines ...

How the pufferfish got its wacky spines

Pufferfish are known for their strange and extreme skin ornaments, but how they came to possess the spiky skin structures known as spines has largely remained a mystery. Now, researchers have identified the genes responsible ...

Fossil of prehistoric deer found in Argentina

The well-preserved fossil of a prehistoric deer has been discovered just to the north of Buenos Aires, the La Matanza University revealed on Monday.

Scientists study puncture performance of cactus spines

Beware the jumping cholla, Cylindropuntia fulgida. This shrubby, branching cactus will—if provoked by touching—anchor its splayed spines in the flesh of the offender. The barbed spines grip so tightly that a segment of ...

The scoop on how your cat's sandpapery tongue deep cleans

Cat lovers know when kitties groom, their tongues are pretty scratchy. Using high-tech scans and some other tricks, scientists are learning how those sandpapery tongues help cats get clean and stay cool.

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