Sloth truly deserves its name, biologists say
Imagine a creature so slothful that it snacks off its own fur and budges only once a week for a bowel movement.
Imagine a creature so slothful that it snacks off its own fur and budges only once a week for a bowel movement.
Plants & Animals
Jan 22, 2014
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(PhysOrg.com) -- By examining the development of bones in the vertebral column, limbs, and ribcage, scientists at the University of Cambridge have discovered how sloths evolved their unique neck skeleton.
Plants & Animals
Oct 18, 2010
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Researchers have shed light on the activity patterns and behavioral adaptations of two sympatric sloth species, Bradypus variegatus and Choloepus hoffmanni. This study, conducted in the lowland rainforests of the Caribbean ...
Plants & Animals
May 29, 2023
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The universe was created by a giant bang; the Big Bang 13.8 billion years ago, and then it started to expand. The expansion is ongoing: it is still being stretched out in all directions like a balloon being inflated.
Astronomy
Mar 3, 2021
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Every parent knows the feeling. Your child is crying and wants to go home, you pick them up to comfort them and move faster, your arms tired with a long walk ahead—but you cannot stop now. Now add to this a slick mud surface ...
Archaeology
Oct 9, 2020
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Scientists studying brown-throated three-toed sloths, where predators are extinct and food is more accessible, have found that the animals adapt to have a primarily diurnal, or daytime, schedule.
Plants & Animals
Jul 21, 2020
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Why did we take so long to invent civilization? Modern Homo sapiens first evolved roughly 250,000 to 350,000 years ago. But initial steps towards civilization—harvesting, then domestication of crop plants—began only around ...
Archaeology
Jan 3, 2020
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Around the time of the Revolutionary War, the Americans faced a threat beyond the British: the ideas of French naturalist Georges-Louis Leclerc, Comte de Buffon, the world's leading intellectual at the time and author of ...
Archaeology
Nov 4, 2019
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Unless you live in the tropical rainforests of South or Central America, most of the sloths you'll encounter will be two-toed sloths. This is because they are able to eat quite a varied diet and are therefore relatively easy ...
Plants & Animals
Jan 18, 2019
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Archaeologists who have been exploring the world's largest underwater cave—recently discovered in Mexico—presented their findings Monday, including fossils of giant sloths and an elaborate shrine to the Mayan god of commerce.
Paleontology & Fossils
Feb 20, 2018
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