Deep-sea shark nursery found in Outer Hebrides coral reef
Two proteins that control nuclear DNA distribution also regulate development by altering gene expression
Cell biologists believe that gene expression in eukaryotic cells is partly controlled by the uneven distribution of DNA in the nucleus. Colin Stewart and Audrey Wang at the A*STAR Institute of Medical Biology, ...
21 hours ago
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Pairs of gene-regulating proteins work together to identify their proper binding sites within the genome
Research led by Lawrence Stanton and Prasanna Kolatkar of the A*STAR Genome Institute of Singapore has provided valuable insight into embryonic development. Stanton and Kolatkar teamed up with colleagues ...
21 hours ago
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When it comes to mammals, how big is too big?
(Phys.org) —Mammals vary enormously in size, from weighing less than a penny to measuring more than three school buses in length. Some groups of mammals have become very large, such as elephants and whales, ...
Jun 14, 2013
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Context crucial when it comes to mutations in genetic evolution, study reports
Research shows male guppies reproduce even after death
Performing experiments in a river in Trinidad, a team of evolutionary biologists has found that male guppies continue to reproduce for at least ten months after they die, living on as stored sperm in females, ...
Jun 12, 2013
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Study proves turtle embryos move themselves within shells to exploit best temperature conditions
(Phys.org) —A team of researchers working in China has proven that the three-keeled pond turtle embryo is capable of moving itself towards or away from a heat source in order to warm itself or cool down. ...
Jun 12, 2013
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How rising temperatures could alter species interactions, ecosystems
New book explains extraordinary gender differences in animal kingdom
What does it mean to be male or female in the animal kingdom? How do our own gender differences compare with those of other animals? Why do adult male elephant seals weigh more than four times as much as ...
Jun 11, 2013
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Astrobiologists find Martian clay contains chemical implicated in the origin of life
(Phys.org) —Researchers from the University of Hawaii at Manoa NASA Astrobiology Institute (UHNAI) have discovered high concentrations of boron in a Martian meteorite. When present in its oxidized form ...
Jun 11, 2013
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How does inbreeding avoidance evolve in plants?
Living fossils? Actually, sturgeon are evolutionary speedsters
Efforts to restore sturgeon in the Great Lakes region have received a lot of attention in recent years, and many of the news stories note that the prehistoric-looking fish are "living fossils" virtually unchanged ...
Jun 06, 2013
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Classic microscopy reveals borrelia bacteria
A simple method has been found that tells people who have become seriously ill after a tick bite once and for all whether they have bacteria in their blood.
Jun 05, 2013
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Sexual selection in the sea
Biologists have uncovered new insights into how the male sexual behaviour of the peculiar southern bottletail squid is primed to produce the greatest number of offspring.
Jun 04, 2013
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Plants tell time
Scientist Peter Freeman is managing a project that is probing the clock and metabolism of plants, called TiMet. Partners to the project include star biologists in the Germany, Spain, Switzerland and the UK, all working to gai ...
Jun 04, 2013
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