Life for the common water flea Daphnia must be tough. As a favorite meal choice for aquatic predators, they may need to make some creative morphological or behavioral changes for survival.
Plants & Animals
Jul 19, 2023
0
1
For the first time, researchers have developed a model to estimate how much energy the original colonizers of New Zealand expended to maintain their body temperatures on the cold, harrowing ocean journey from Southeast Asia.
Other
Jul 13, 2023
1
41
Deeper male voices in primates, including humans, offer more than sex appeal—they may have evolved as another way for males to drive off competitors in large groups that favored polygyny, or mating systems where a male ...
Plants & Animals
Jul 13, 2023
0
128
Interactions between wildlife and plastic litter have been well documented in the sea. Think of seals entangled in netting or whales permanently attached to discarded fishing tackle, so-called "ghost gear."
Plants & Animals
Jul 10, 2023
0
6
When aliens or our distant progeny sift through layers of sediment 500,000 years from now to decode the Earth's past, they will find unusual evidence of the abrupt change that upended life half-a-million years earlier: chicken ...
Earth Sciences
Jul 10, 2023
0
29
Fossil skeletons have long fascinated researchers as a window to prehistory. But so far, little is known about details of sexual development in extinct creatures. An international team of researchers from China, Germany and ...
Evolution
Jun 30, 2023
0
302
Dogs who slow down physically also slow down mentally, according to a new study from North Carolina State University. Measuring gait speed in senior dogs could be a simple way to monitor their health and to document decline ...
Veterinary medicine
Jun 27, 2023
0
30
Leopard seals are prehistoric, reptilian-looking marine predators often portrayed as scary villains in movies such as "Happy Feet" and "Eight Below," but little is known about their basic biology. The combination of the extreme ...
Plants & Animals
Jun 26, 2023
0
18
Have you ever wondered what the earliest ancestors of today's dolphins looked like? Then look no further, meet Olympicetus thalassodon, a new species of early odontocete, or toothed whale, that swam along the North Pacific ...
Evolution
Jun 23, 2023
0
157
Fish are the most diverse group of vertebrates, ranging from tiny gobies and zebrafish to gigantic tunas and whale sharks. They provide vital sustenance to billions of people worldwide via fisheries and aquaculture, and are ...
Plants & Animals
Jun 20, 2023
0
18
