Archive: 04/16/2007

The cost of long tongues

Orchid bees use their extraordinarily long tongues to drink nectar from the deep, tropical flowers only they can access. Researchers have long suspected that this kind of exclusive access came with a mechanical ...

Apr 16, 2007 3.3 / 5 (10) 0

Humans hot, sweaty, natural-born runners

Hairless, clawless, and largely weaponless, ancient humans used the unlikely combination of sweatiness and relentlessness to gain the upper hand over their faster, stronger, generally more dangerous animal prey, Harvard Anthropology ...

Apr 16, 2007 4.6 / 5 (257) 4

Building the nuclear pore piece by piece

The nuclear pore complexes are the sole gatekeepers for the cell’s nucleus — proteins, RNA, viruses, anything that passes between the nucleus and the rest of the cell has to use one of these giant protein ...

Apr 16, 2007 4.5 / 5 (13) 0

Dusty Hurricanes

Throw gasoline on a fire, and the flames swell to a raging inferno. Throw dirt on a fire, and the flames suffocate. But what happens when you throw dirt on a hurricane? It's a serious question.

Apr 16, 2007 4.4 / 5 (10) 0