Federal biologist Jay Orr never knows what's going to come up in nets lowered to the ocean floor off Alaska's remote Aleutian Islands, which separate the Bering Sea from the rest of the Pacific Ocean. Sometimes it's stuff ...
Plants & Animals
Jul 13, 2016
0
228
We humans use the euphemism for sex that "we like to get a leg over" but the first jawed vertebrates – the placoderms – they liked to get a leg in.
Evolution
Jun 9, 2014
3
0
Scientists have collected 25 extremely rare red handfish from the ocean off Australia, hoping to protect the struggling species from warming seas, human-caused habitat changes and ravenous urchins.
Plants & Animals
Jan 31, 2024
2
206
New species are not just discovered in exotic locales -- even places as urban as California still yield discoveries of new plants and animals. Academy scientists recently named a new species of chimaera, an ancient and bizarre ...
Plants & Animals
Sep 22, 2009
0
1
A spectacular new "missing link" fossil has been unearthed in China. The 419 million year old armoured fish, called Entelognathus, meaning "complete jaw" solves an age-old debate in science. For palaeontologists this fish ...
Archaeology
Sep 26, 2013
2
0
Without a doubt, the seahorse belongs to Darwin's "endless forms most beautiful". Its body form is one of a kind. It has neither a tail nor pelvic fin, it swims vertically, bony plates reinforce its entire body and it has ...
Biotechnology
Dec 14, 2016
1
89
Before the evolution of legs from fins, the axial skeleton—including the bones of the head, neck, back and ribs—was already going through changes that would eventually help our ancestors support their bodies to walk on ...
Evolution
Apr 3, 2024
1
753
Almost all gnathostomes or jawed vertebrates (including osteichthyans, chondrichthyans, ‘acanthodians’ and most placoderms) possess paired pectoral and pelvic fins. To date, it has generally been believed that antiarch ...
Archaeology
Jan 10, 2012
0
0
A study into the muscle development of several different fish has given insights into the genetic leap that set the scene for the evolution of hind legs in terrestrial animals. This innovation gave rise to the tetrapods—four-legged ...
Plants & Animals
Oct 4, 2011
0
0
For the first time, biologists have described the evolution of the size of a female trait which males use to choose a partner. The research, published in the open access journal BMC Evolutionary Biology, shows that male ...
Evolution
Oct 8, 2010
0
0
