The sharks we know today as the open ocean's top predators evolved from stubby bottom dwellers during a dramatic episode of global warming millions of years ago.
Plants & Animals
Jun 3, 2024
0
39
Fossilized skin and other soft tissues are exceedingly rare, and it is only under special conditions that these rarest of fossils are preserved.
Paleontology & Fossils
May 29, 2024
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6
Hummingbirds seem like a marvel of nature and engineering: a living creature that can hover near a flower with surgical precision. How do they do this?
Plants & Animals
May 29, 2024
0
43
There's a longstanding debate simmering among biologists who study porcupines. There are 16 porcupine species in Central and South America, but only one in the United States and Canada. DNA evidence suggests North America's ...
Evolution
May 28, 2024
0
94
A team of scientists from the U.S. and the U.K. has used artificial intelligence (AI) to map the activities of seafloor invertebrate animals, such as worms, clams and shrimps, across all the oceans of the world.
Ecology
May 28, 2024
0
3
Humans have long been fascinated by bird song and the cacophony of other avian sounds—from coos and honks to quacks and peeps. But little is known about how the unique vocal organ of birds—the syrinx—varies from species ...
Plants & Animals
May 23, 2024
0
416
A continuing study from Tel Aviv University has found that the deadly epidemic discovered last year, which has essentially wiped out Eilat's most abundant and ecologically significant sea urchins, has spread across the Red ...
Ecology
May 23, 2024
0
16
Members of the vertebrate group including anglerfish are unique in possessing a characteristic known as sexual parasitism, in which males temporarily attach or permanently fuse with females to mate. Now, researchers reporting ...
Evolution
May 23, 2024
0
68
A study from the University of Adelaide has discovered molecular pathways regulated by a gene traditionally used to control wheat-flowering behavior could be altered to achieve greater yields. The research was published in ...
Molecular & Computational biology
May 23, 2024
0
137
The inflorescence architecture of crop plants like barley is predominantly regulated by meristem activity and fate, which play a critical role in determining the number of floral structures for grain production.
Molecular & Computational biology
May 22, 2024
0
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