A new study finds that hundreds of bacterial groups have evolved in the guts of primate species over millions of years, but humans have lost close to half of these symbiotic bacteria.
Evolution
May 30, 2023
0
190
More than 50% of the world's river network is made of temporary or intermittent rivers: these are rivers that, during a certain time of the year, mainly summer, present dry riverbeds or some isolated ponds. These rivers show ...
Ecology
Nov 11, 2022
0
2
The Atacama desert, which stretches for approximately 1,600 km along the western coast of the cone of South America, is the driest place on Earth. Some weather stations there have never recorded rainfall throughout their ...
Evolution
Oct 21, 2022
0
360
Persistent drought in the West has helped bring climate change to the forefront of the public consciousness. Indicia of a warming planet—relentless heatwaves, drained reservoirs, and raging forest fires—have applied pressure ...
Plants & Animals
Oct 18, 2022
0
13
How a tiny marine invertebrate distinguishes its own cells from competitors' bears striking similarities to the human immune system, according to a new study led by University of Pittsburgh School of Medicine researchers.
Molecular & Computational biology
Sep 27, 2022
0
738
For humans, the early days of the COVID-19 pandemic were a stressful time, marked by fear, isolation, canceled plans and uncertainty. But for birds that inhabit developed areas of the Pacific Northwest, the reduction in noise ...
Ecology
Aug 11, 2022
0
67
Researchers at University of California San Diego School of Medicine previously found a set of human gene mutations that protect older adults against cognitive decline and dementia. In a new study, published July 9, 2022 ...
Evolution
Jul 18, 2022
0
503
The vaquita porpoise, the world's smallest marine mammal, is on the brink of extinction, with 10 or fewer still living in Mexico's Gulf of California, their sole habitat. But a genetic analysis by a team of UCLA biologists ...
Plants & Animals
May 5, 2022
0
430
Mosquitos. Bane of backyard picnics—and deadly in Zika- and dengue-prone regions.
Plants & Animals
May 4, 2022
1
46
Scientists have identified a new detrimental effect of genes that cause inherited diseases, publishing their results today in eLife.
Evolution
Oct 12, 2021
0
13
