Meiotic drivers are a type of selfish gene. Present in the genomes of nearly all species, including humans, they unfairly transfer their genetic material to more than half of their offspring, sometimes leading to infertility, ...
Evolution
Oct 20, 2022
0
33
South America has more canid species than any place on Earth, and a surprising new UCLA-led genomic analysis shows that all these doglike animals evolved from a single species that entered the continent just 3.5 million to ...
Plants & Animals
Sep 19, 2022
0
826
Growing multiple food crops together is a more sustainable farming practice mimicking highly productive wild plant communities. This process, known as intercropping, takes advantage of complementary features of different ...
Ecology
Sep 13, 2022
0
196
A team led by biologists at The University of Texas at Arlington has published a study supporting the theory that species that reproduce asexually have more harmful genetic mutations than those utilizing sexual reproduction.
Evolution
Aug 1, 2022
0
218
A new genomic study of the rarest pine tree in the world, the Torrey pine, aimed at bolstering the case for a genetic rescue of the species barely surviving in the western U.S., revealed the complexity and risk associated ...
Ecology
Jul 22, 2022
0
27
The human genome is littered with "selfish genetic elements," which do not seem to benefit their hosts, but instead seek only to propagate themselves.
Evolution
Jul 6, 2022
0
94
The second century Alexandrian astronomer and mathematician Claudius Ptolemy had a grand ambition. Hoping to make sense of the motion of stars and the paths of planets, he published a magisterial treatise on the subject, ...
Evolution
Jun 6, 2022
0
452
Like storm waves battering a ship, new versions of the SARS-CoV-2 virus have buffeted the world one after another. Recently, scientists keeping tabs on these variants noticed a trend: Many carry the same set of three mutations. ...
Biochemistry
May 17, 2022
0
130
Biomedical engineers at Duke University believe they have discovered the physical mechanism that causes high doses of antibiotics to promote the spread of antibiotic resistance between bacteria.
Evolution
Apr 5, 2022
0
71
From elaborate dances to stunning plumage displays to dramatic head-butting, male animals have an array of ways to distinguish themselves from competitors while wooing a potential mate. But it's not their only chance to prove ...
Plants & Animals
Mar 22, 2022
0
267
