Researchers find signs of western Eurasian genes in southern African Khoisan tribes
Mosquito sperm have 'sense of smell'
Vanderbilt biologists have discovered that mosquito sperm have a "sense of smell" and that some of same chemicals that the mosquito can smell cause the sperm to swim harder.
Researchers create embryonic stem cells without embryo
(Phys.org) —Since the discovery of human embryonic stem cells, scientists have had high hopes for their use in treating a wider variety of diseases because they are pluripotent, which means they are capable ...
Critical protein discovered for healthy cell growth in mammals
(Phys.org) —A team of researchers from Penn State University and the University of California has discovered a protein that is required for the growth of tiny, but critical, hair-like structures called ...
Study finds mantis shrimp process vision differently than other organisms (w/ video)
Researchers identify key pathway for plant cell growth
For plants, the only way to grow is for cells to expand. Unlike animals, cell division in plants happens only within a tiny region of the root and stem apex, making cell expansion the critical path to increased ...
Flies with brothers make gentler lovers
Flies living with their brothers cause less harm to females during courting than those living with unrelated flies, say Oxford University scientists.
Engineers convert yeast cells into 'sweet crude' biofuel
(Phys.org) —Researchers at The University of Texas at Austin's Cockrell School of Engineering have developed a new source of renewable energy, a biofuel, from genetically engineered yeast cells and ordinary ...
Calcium absorption not the cause of evolution of milk digestion in Europeans
Ancient DNA from early Iberian farmers shows that the wideheld evolutionary hypothesis of calcium absorption was not the only reason Europeans evolved milk tolerance.
Actin cytonauts at play in the cell
Dispersal patterns key to invasive species' success
In 1859 an Australian farmer named Thomas Austin released 24 grey rabbits from Europe into the wild because it "could do little harm and might provide a touch of home, in addition to a spot of hunting."
Fighting flies: Biologists identify sex-specific brain cells in male flies that promote aggression
(Phys.org) —When one encounters a group of fruit flies invading their kitchen, it probably appears as if the whole group is vying for a sweet treat. But a closer look would likely reveal the male flies ...
Renewable chemical ready for biofuels scale-up
Using a plant-derived chemical, University of Wisconsin-Madison researchers have developed a process for creating a concentrated stream of sugars that's ripe with possibility for biofuels.
Birds fly in 'V' formation to save energy, study finds (Update)
The next time you see birds flying in a V, consider this: A new study says they choreograph the flapping of their wings with exquisite precision to help them on their way.