Despite inbreeding and limited genetic diversity, the Svalbard reindeer has managed to adapt to extreme living conditions in record time—what researchers call a genetic paradox. But can they survive climate change?
Plants & Animals
Sep 26, 2023
0
46
A team of ecologists and evolutionary biologists at the University of Lausanne, Switzerland, has found that some normally asexual species of stick insects, which are known to reproduce via parthenogenesis, occasionally mate ...
New research provides insight about the bedrock scientific principle that mitochondrial DNA—the distinct genetic code embedded in the organelle that serves as the powerplant of every cell in the body—is exclusively passed ...
Cell & Microbiology
Sep 18, 2023
0
356
Ecologists have demonstrated that the genetic material that species shed into their environments can reveal not only the presence of the species but also a broad range of information about the genetics of whole populations.
Ecology
Sep 11, 2023
0
103
All multicellular organisms—from the simplest animal and plant organisms to humans—live in close association with a variety of microorganisms that colonize their tissues and form symbiotic relationships with the host.
Evolution
Aug 31, 2023
0
11
What were the first life forms like? In a new perspective article, scientists describe a strategy for answering this question by studying the earliest evolution of electron transport chains, a universal metabolic strategy ...
Evolution
Aug 14, 2023
0
1055
As butterflies flit among flowers, they don't all view blossoms the same way. In a phenomenon called sexually dimorphic vision, females of some butterfly species perceive ultraviolet color while the males see light and dark. ...
Plants & Animals
Aug 10, 2023
0
502
Genetic kinship analyses of human bones reach their limits if the DNA is poorly preserved or if destructive sampling is not possible. New research shows that in such cases, comparisons of the structure and shape of certain ...
Evolution
Aug 10, 2023
1
91
A few years ago, I had the opportunity to go on safari in southern Africa. One of the greatest thrills was going out at night looking for predators on the prowl: lions, leopards, hyenas.
Plants & Animals
Aug 4, 2023
0
82
The origins of the plague go back to the Neolithic Age, with the oldest findings of the causative pathogen Yersinia pestis coming from human bones around 5,000 years old. In the history of the plague, the late antique Justinianic ...
Evolution
Jul 26, 2023
0
126
