News tagged with appendages

High-angle helix helps bacteria swim

(Phys.org) —A high-angle helix helps microorganisms like sperm and bacteria swim through mucus and other viscoelastic fluids, according to a new study by researchers from Brown University and the University ...

dateAug 13, 2013 in General Physics
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Why do we gesticulate?

If you rely on hand gestures to get your point across, you can thank fish for that! Scientists have found that the evolution of the control of speech and hand movements can be traced back to the same place in the brain, which ...

dateJul 02, 2013 in Plants & Animals
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Study shows how one insect got its wings

(Phys.org) —Scientists have delved deeper into the evolutionary history of the fruit fly than ever before to reveal the genetic activity that led to the development of wings – a key to the insect's ability ...

dateMar 11, 2013 in Plants & Animals
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