Researcher connects the dots in fin-to-limb evolution

About 400 million years ago, vertebrates first began to crawl from the primordial seas onto land. Last week, thanks to a cutting-edge mathematical-analysis technique, a global research team uncovered how a crucial stage in ...

Six paths to the nonsurgical future of brain-machine interfaces

DARPA has awarded funding to six organizations to support the Next-Generation Nonsurgical Neurotechnology (N3) program, first announced in March 2018. Battelle Memorial Institute, Carnegie Mellon University, Johns Hopkins ...

Study explores genetics behind evolution of flightless birds

Since Darwin's era, scientists have wondered how flightless birds like emus, ostriches, kiwis, cassowaries, and others are related, and for decades the assumption was that they must all share a common ancestor who abandoned ...

Print your city? 3-D printing is revolutionizing urban futures

The Fabrication City concept puts manufacturing back in the hands of communities—using 3-D printers. It could have far-reaching implications for economic development, environmental sustainability, inclusion and other benefits. ...

Research explains how snakes lost their limbs

Snakes and lizards are reptiles that belong to the order Squamata. They share several traits but differ in one obvious respect: Snakes do not have limbs. The two suborders diverged more than 100 million years ago. Identification ...

Ramp walking helps diagnose lameness in dogs

Gait analysis, pressure walkways, and angled walking are popular techniques used in human medicine. Their use has improved prosthetics, rehabilitation, medicine and more. But, while this research has a long history in human ...

Artificial skin could give superhuman perception

A new type of sensor could lead to artificial skin that someday helps burn victims 'feel' and safeguards the rest of us, University of Connecticut researchers suggest in a forthcoming paper in Advanced Materials.

How the world's fastest muscle created four unique bird species

When the male bearded manakin snaps its wings at lightning speed, it's more than part of an elaborate, acrobatic mating ritual. The tiny muscle doing the heavy lifting is also the reason this exotic bird has evolved into ...

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Limb

Limb can refer to:

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