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Biology news
Bird brains left other dinosaurs behind
Today, being "birdbrained" means forgetting where you left your keys or wallet. But 66 million years ago, it may have meant the difference between life and death—and may help explain why birds are the only dinosaurs left ...
Paleontology & Fossils
19 hours ago
1
1357
In the absence of genetic variation, asexual invasive species find new methods of adapting to their environment
Without the benefits of evolutionary genetic variation that accompany meiotic reproduction, how does an asexual invasive species adapt over time to a new environment to survive? In all-female weevil species that produce only ...
Ecology
19 hours ago
0
1264
Blood-sucking flies may be following chemicals produced by skin bacteria to locate bats to feed on
We humans aren't the only animals that have to worry about bug bites. There are thousands of insect species that have evolved to specialize in feeding on different mammals and birds, but scientists are still learning how ...
Plants & Animals
20 hours ago
0
109
A single cell type map of human tissues
In a study published in the US journal Science Advances, a single cell type map of human tissues is presented. An open access atlas has been launched with more than 250,000 interactive plots to allow researchers to explore ...
Cell & Microbiology
Jul 30, 2021
0
528
Climate change threat to 'tuna dependent' Pacific Islands economies
Climate change-driven redistribution of key commercial tuna species will deliver an economic blow to the small island states of the Western and Central Pacific and threaten the sustainability of the world's largest tuna fishery, ...
Ecology
Jul 30, 2021
2
408
Some birds observed stealing hair from living mammals
Dozens of online videos document an unusual behavior among tufted titmice and their closest bird kin. A bird will land on an unsuspecting mammal and, cautiously and stealthily, pluck out some of its hair.
Plants & Animals
Jul 30, 2021
0
704
Scientists create embryos to save northern white rhino
Scientists working to bring back the functionally extinct northern white rhino announced they had successfully created three additional embryos of the subspecies, bringing the total to 12.
Plants & Animals
Jul 30, 2021
0
527
Scientists upturn understanding of how key hormones act in cells
Researchers at the University of Virginia School of Medicine have overturned conventional wisdom on the workings of vital hormone receptors within cells, a finding that could boost drug development for diabetes and related ...
Cell & Microbiology
Jul 30, 2021
0
731
Testis-specific gene involved in sex ratio regulation discovered
Although enormous progress has been made over the past few decades in genetics, molecular biology and biochemistry, the ways in which living beings orchestrate their internal processes at the microscopic scale is still full ...
Molecular & Computational biology
Jul 30, 2021
0
276
Chromosome positioning during sperm differentiation described
Chromosomes occupy specific regions of the cell nucleus called chromosome territories. In somatic cells, scientists have observed that there is a correlation between this positioning and genome regulation. In fact, alterations ...
Cell & Microbiology
Jul 30, 2021
0
438
Older males come out on top in battle of the breeding mosquitofish
It turns out age is no barrier when it comes to reproducing—well, at least for one type of fish.
Plants & Animals
Jul 30, 2021
0
7
Researchers find fat burning molecule in mice
Linked to serious health problems including cancer, diabetes and cardiovascular disease, obesity affects more than a third of adults in the United States. Presently, there are few safe and effective nonsurgical therapeutic ...
Cell & Microbiology
Jul 30, 2021
0
321
Caterpillars borrow weapons from viruses in battle against parasitic wasps
Exactly how the caterpillars are winning this tiny evolutionary arms race is the subject of an article just published in the journal Science by an international research team including scientists from University of Saskatchewan ...
Plants & Animals
Jul 30, 2021
0
254
The sheep must give way to the dingo in Australia's arid rangelands
Western Australian pastoralist David Pollock argues much needs to be learned about how to transition Australia's vast, arid rangelands pastures from their present, significantly degraded condition to become truly sustainable ...
Plants & Animals
Jul 30, 2021
0
578
Cholera strain becomes unexpectedly resistant to infection by phages
Graduate student Kristen LeGault and assistant professor Kimberley Seed, both in the Department of Plant and Microbial Biology, specialize in the evolution of human pathogens and the viruses that infect bacteria, known as ...
Molecular & Computational biology
Jul 30, 2021
0
48
Plant reproduction: Unraveling the role of a new membrane within pollen grain
While the reproduction process of flowering plants has been known for more than 120 years, there still remain many mysteries to unravel. Researchers from INRAE, ENS de Lyon, CNRS and Limagrain characterized a new membrane ...
Cell & Microbiology
Jul 30, 2021
0
498
Mapping of genetic control elements in the cerebellum
The mammalian cerebellum has long been associated almost exclusively with motor control, yet recent studies indicate that it also contributes to many higher brain functions. An international research team led by Prof. Dr. ...
Molecular & Computational biology
Jul 30, 2021
0
78
Differentiating strong antibiotic producers from weaker ones
An untapped trove of desirable drug-like molecules is hidden in the genomes of Streptomyces bacteria—the same bacteria responsible for the first bacterial antibiotics to treat tuberculosis back in the 1940s.
Molecular & Computational biology
Jul 30, 2021
0
16
New insights on flowering could boost cassava crops
Two new publications examining cassava flowering reveal insights into the genetic and environmental factors underpinning one of the world's most critical food security crops.
Plants & Animals
Jul 30, 2021
0
195
The spatial relationship between damaged understory and felled trees in a shelterwood forest
The shelterwood forest system is a natural regeneration method of forest management that supplies the next generation of trees from overstory tree seeds without planting. This method lowers the cost of forest management by ...
Plants & Animals
Jul 30, 2021
0
7
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World's first commercial re-programmable satellite blasts into space
US watchdog upholds SpaceX's Moon lander contract
Engineers bend light to enhance wavelength conversion
Apollo 11 ascent stage may still be orbiting the moon
Chemists discover a key to greener food production
Natural mineral hackmanite enables new method of x-ray imaging
Unraveling mysteries of the ocean from space
Ultracold transistors serve as their own memory devices
New Russian lab briefly knocks space station out of position
New 'green status of species' measures impact of conservation action
How light pollution affects animal orientation
Collisions of light produce matter/antimatter from pure energy
A new spin on planet formation mysteries
More carbon emissions will kill more people; here's how many
Clays, not water, are likely source of Mars 'lakes'
