Japanese honeybees face a formidable foe in the Asian giant hornet, a fierce predator that can reach 40mm long or larger, but the bees have developed a novel defense mechanism: they create a "hot defensive bee ball," swarming ...
Plants & Animals
Mar 14, 2012
3
0
German researchers have demonstrated for the first time why the molecular cocktail responsible for generating stem cells works. Sox2 and Oct4 are proteins whose effect on cells resembles that of an eraser: They remove all ...
Cell & Microbiology
Aug 19, 2013
0
0
(PhysOrg.com) -- For the first time, scientists have discovered that a poorly understood class of RNA produced in a mammal's cells during a respiratory virus attack may affect the outcome of the infection. Their findings ...
Cell & Microbiology
Oct 26, 2010
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0
Biologists from New York University have uncovered new ways our biological clock's neurons use electrical activity to help keep behavioral rhythms in order. The findings, which appear in the journal Current Biology, also ...
Cell & Microbiology
Oct 4, 2012
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(Phys.org)—A new University of Maryland study of worms that reproduce without a mate shows that not only have these creatures lost their mojo in the dating game of evolution, they've lost thousands of genes as a consequence.
Plants & Animals
Nov 6, 2012
1
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In the past two decades, researchers have shown that biological traits in both species and individual cells can be shaped by the environment and inherited even without gene mutations, an outcome that contradicts one of the ...
Evolution
Oct 27, 2020
1
144
(Phys.org)—Crime can happen anywhere, but it usually doesn't. Researchers have noticed that criminal activity seems to be concentrated in self-perpetuating hotspots. Crime leads to more crime. Then, from these epicenters, ...
Mathematics
Feb 4, 2013
4
0
It's important to be well organized. And this is especially true for the genome—the entirety of an organism's genetic information, also known as DNA. The genomic DNA is several meters long but has to fit inside the cell's ...
Cell & Microbiology
Jul 11, 2022
0
18
Natural selection is a race to reproduce, a competition between individuals with varying traits that helps direct the evolution of a species. As scientists begin to explore the complex networks of genes that shape the form ...
Biotechnology
Sep 3, 2015
16
63
(PhysOrg.com) -- The architect Mies van der Rohe is famous for promoting the slogan "less is more." But if Venkat Chandrasekaran, a graduate student in the Department of Electrical Engineering and Computer Science, had a ...
Mathematics
Jun 2, 2010
1
0
