16+ hour, 18+ min ago   (797+ words) Much of the ancient carbon released from thawing Arctic permafrost appears to end up trapped in seabed sediments rather than quickly returning to the atmosphere. The Arctic’s frozen ground holds an enormous reservoir of organic carbon. As permafrost thaws and…...

1+ day, 3+ hour ago   (572+ words) Widely used osteoporosis drugs were associated with a lower risk of Alzheimer’s disease and related dementias in a study of more than 120,000 older adults. A medication already prescribed to protect aging bones may have an unexpected second benefit. In a…...

4+ day, 3+ hour ago   (386+ words) These new findings could help scientists adapt crops to dry environmental conditions in the future. By analyzing the genomes of three species in the genus Clusia, the scientists traced how genome duplication followed by genetic restructuring helped produce a wide…...

4+ day, 11+ hour ago   (326+ words) A giant 29 square mile iceberg broke from Greenland’s Petermann Glacier and survived a collision with Joe Island that might have shattered a more fragile berg....

6+ day, 47+ min ago   (510+ words) The Galápagos snapdragon, once close to disappearing, is showing encouraging signs of recovery through a long-term partnership between the Charles Darwin Foundation and the Galápagos National Park Directorate. For decades, the Galápagos snapdragon was known from little more than a…...

6+ day, 23+ hour ago   (559+ words) A compound produced in the body after eating pomegranates improved heart function by up to 80% in experimental models of a type of heart failure with limited treatment options. For people with heart failure with preserved ejection fraction, the heart can…...

1+ week, 3+ hour ago   (649+ words) Africa’s giant herbivores did not simply vanish in a wave of extinctions. Their evolutionary family tree was slowly running out of new branches. A new study suggests that the long decline of animals such as elephants, hippopotamuses, and their extinct…...

1+ week, 1+ day ago   (544+ words) When it comes to reducing the risk of depression and anxiety, how often students exercise may matter more than how hard they push themselves. A large Norwegian study found that students who exercised infrequently were more likely to develop clinically…...

1+ week, 4+ day ago   (566+ words) Growing evidence that early human relatives do not fit neatly into traditional categories is prompting a proposal to expand the genus Homo. The human family tree is becoming harder to fit into the categories scientists have used for decades. Research…...

1+ week, 5+ day ago   (477+ words) Pristimantis milpe is a common and widespread species that was mistaken for another species for more than a century. The formal description appears in the international journal ZooKeys, which specializes in biodiversity and taxonomy research. The key to identifying Pristimantis…...