The evolution of limbs with functional digits from fish fins happened approximately 400 million years ago in the Devonian. This morphological transition allowed vertebrates to leave the water to conquer land and gave rise ...
Plants & Animals
Aug 19, 2020
2
719
Thousands of chemical processes used by the energy industry and for other applications rely on the high speed of catalytic reactions, but molecules frequently are hindered by molecular traffic jams that slow them down. Now ...
Materials Science
Aug 10, 2020
0
34
Hauffiopteryx altera (Latin for different from) has been identified as a new species of Ichthyosaurs by researchers from McGill University and the State Museum of Natural History Stuttgart in Germany.
Archaeology
Jul 3, 2020
0
595
It's "hammerhead" time according aerial drone footage of blacktip sharks fleeing to shallow waters when confronted by a huge predator along the coast of southeast Florida. Footage from the drone provides the first evidence ...
Plants & Animals
May 13, 2020
0
160
Someday, underwater robots may so closely mimic creatures like fish that they'll fool not only the real animals themselves but humans as well. That ability could yield information ranging from the health of fish stocks to ...
General Physics
Mar 19, 2020
0
506
University of Illinois electrical engineers have cleared another hurdle in high-power semiconductor fabrication by adding the field's hottest material—beta-gallium oxide—to their arsenal. Beta-gallium oxide is readily ...
Nanomaterials
Jul 22, 2019
1
53
Great white sharks fitted with cameras on their dorsal fins have been filmed for the first time stalking prey in dense kelp forests long thought to be no-go zones for the top-level predators.
Plants & Animals
Apr 3, 2019
0
155
For more than a century, the world's oceans have been becoming steadily more acidic as they soak up ever-increasing amounts of carbon dioxide from the atmosphere, and the impacts can be fatal for invertebrates such as shellfish, ...
Plants & Animals
Feb 21, 2019
0
200
Endangered species of hammerhead and dogfish are among the sharks being sold as food in the UK, researchers have revealed.
Ecology
Jan 31, 2019
0
661
To female molly and Limia fish, nothing is hotter than a male with a large dorsal fin. But these fins aren't just decorations to attract females.
Evolution
Jan 17, 2019
0
85
