White tigers today are only seen in zoos, but they belong in nature, say researchers reporting new evidence about what makes those tigers white. Their spectacular white coats are produced by a single change in a known pigment ...
Plants & Animals
May 23, 2013
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0
In 2012, a Japanese research group discovered that human skin cells acquire pluripotency when introduced to lactic acid bacteria (Lactobacillus acidophilus). Now, the same group of researchers has found that the cause of ...
Cell & Microbiology
Feb 6, 2018
0
263
The geode of Pulpí is an 11-meter hollow ovoid with crystal-paneled walls. It is like those familiar couplets of stone interiors covered with bright crystallites, but so large that several people can fit inside. The crystals, ...
Earth Sciences
Oct 15, 2019
0
205
Researchers at the School of Medicine have identified a new protein critical to the production of induced pluripotent stem cells, or iPS cells.
Cell & Microbiology
Jul 17, 2018
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280
All living organisms age and die—there is no way of escaping death. But not all organisms follow the same pattern of weakening and deterioration to old age and death—counter-intuitive as it may seem.
Plants & Animals
Jun 23, 2022
1
772
From the elephant to the mayfly, biologists say there is a general rule about longevity: the bigger the animal, the longer it lives.
Plants & Animals
Aug 20, 2013
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0
Trilobites achieved their maximum genetic diversity in the Cambrian. However, unlike this diversity measure, the morphological disparity of trilobites based on cranidial outline reached the peak in the Middle to Late Ordovician.
Archaeology
Nov 19, 2020
0
521
At first glance, it's hard to see how a common house sparrow and a Tyrannosaurus Rex might have anything in common. After all, one is a bird that weighs less than an ounce, and the other is a dinosaur that was the size of ...
Archaeology
May 27, 2012
1
1
Stem cells are key to the promise of regenerative medicine: the repair or replacement of injured tissues with custom grown substitutes. Essential to this process are induced pluripotent stem cells (iPSCs), which can be created ...
Cell & Microbiology
Jul 18, 2013
0
0
Fishing primarily removes larger and more active fish from populations. It thus acts as a selection factor that favors shy fish, as a recent study by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) ...
Plants & Animals
Feb 23, 2021
0
816
