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Ferns Took To The Trees And Thrived
As flowering plants like
giant trees quickly rose to
dominate plant communities
during the Cretaceous
period, the ferns that had
preceded them hardly saw it
as a disappointment. ... > full story
Making A Bigger Splash In The Gene Pool, And How Delaying Reproduction Can Help
We humans have a strong urge
to reproduce, but if the
environment steers us into
putting off having children,
we may be rewarded with both
... > full story
Study Of Flower Color Shows Evolution In Action
Scientists at UC Santa
Barbara have zeroed in on
the genes responsible for
changing flower color, an
area of research that began
with Gregor Mendel's studies
... > full story
Inbred Bumblebees Less Successful
Declining bumblebee
populations are at greater
risk of inbreeding, which
can trigger a downward
spiral of further decline.
Researchers have provided
the first proof that
... > full story
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Genetic Analysis Reveals Secrets Of Scorpion Venom
June 30, 2009 — Transcriptomic tests have uncovered the protein composition of venom from the Scorpiops jendeki scorpion. Researchers have carried out the first ever venom analysis in this arachnid, and discovered ... > full story -
Toxic Chemicals Affect Steroid Hormones Differently In Humans And Invertebrates
June 29, 2009 — In a study with important consequences for studies on the effects of chemicals on steroid responses in humans, scientists have found that -- contrary to earlier assumptions -- enzymes used for the ... > full story -
Platypus Helps Illuminate Ovarian Cancer
June 27, 2009 — Researchers believe our oldest mammalian relative may help us to better understand ovarian cancer. DNA mapping of the platypus has uncovered an interesting relationship between their sex chromosomes ... > full story -
Corals Stay Close to Home
June 27, 2009 — New DNA analysis reveals that corals in one locality are more closely related than previously thought; results have significant implications for coral ... > full story -
New Fossil Tells How Piranhas Got Their Teeth
June 26, 2009 — Previously unknown fossil fish bridges the evolutionary gap between flesh-eating piranhas and their plant-eating ... > full story -
Gene Evolution Process Discovered
June 26, 2009 — One of the mechanisms governing how our physical features and behavioral traits have evolved over centuries has been ... > full story -
Discovery Of Elephants' Oldest Known Relative
June 26, 2009 — Paleontologists have discovered one of the oldest modern ungulates related to the elephant ... > full story -
Changes In Brain Architecture May Be Driven By Different Cognitive Challenges
June 25, 2009 — Scientists trying to understand how the brains of animals evolve have found that evolutionary changes in brain structure reflect the types of social interactions and environmental stimuli different ... > full story -
Evolution Of A Contraceptive For Invasive Sea Lamprey
June 25, 2009 — In addition to providing fundamental insights into the early evolution of the estrogen receptor, new research may lead to a contraceptive for female lampreys -- a jawless fish considered an invasive ... > full story -
Mating and Breeding
Evolutionary Biology
Biology
Insects (and Butterflies)
Genetics
Biochemistry Research
Males Of High Genetic Quality Are Not Very Successful At Fertilizing Eggs
June 25, 2009 — Contrary to predictions, males of high genetic quality are not very successful when it comes to fertilizing eggs. A new study on seed beetles shows that when a female mates with several males, the ... > full story
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