The CT-scanned skull of a 319-million-year-old fossilized fish, pulled from a coal mine in England more than a century ago, has revealed the oldest example of a well-preserved vertebrate brain.
Evolution
Feb 1, 2023
0
198
Sad scenes are unfolding in Western Australia after a pod of pilot whales became stranded on a beach late on Tuesday. According to the latest reports, 51 of the whales have died. Some 46 remain beached and authorities are ...
Plants & Animals
Jul 26, 2023
0
31
Cutting through the ocean like a jet through the sky, giant bluefin tuna are built for performance, endurance and speed. Just as the fastest planes have carefully positioned wings and tail flaps to ensure precision maneuverability ...
Plants & Animals
Jul 20, 2017
0
652
Why did animals with limbs win the race to invade land over those with fins? A new study comparing the forces acting on fins of mudskipper fish and on the forelimbs of tiger salamanders can now be used to analyze early fossils ...
Plants & Animals
Jul 5, 2013
4
0
Researchers at the University of St Andrews believe that fin and humpbacked whales have changed the timing of their seasonal migration in response to global warming.
Plants & Animals
Apr 8, 2015
1
299
A study of catsharks reveals how alterations in the expression and function of certain genes in limb buds underlie the evolution of fish fins to limbs. The findings are reported by researchers from Tokyo Institute of Technology ...
Evolution
Aug 18, 2015
0
190
UBC researchers believe a group of killer whales observed hunting marine mammals including sperm whales, as well as a sea turtle, in the open ocean off California and Oregon could be a new population.
Plants & Animals
Mar 15, 2024
1
81
Plastic pollution has recently gained increasing attention for its effects on marine mammals, fish and birds. However, it is still not fully understood to what extent small pieces of plastic, known as microplastics, impact ...
Environment
Feb 6, 2018
0
184
Scientists studying nearly identical coral reef systems off Australia discovered something unusual on the reefs subjected to nearly exclusive fishing of sharks—fish with significantly smaller eyes and tails. The study is ...
Ecology
Jan 16, 2018
1
211
Scores of disembowelled sharks have washed up on a South African beach putting the spotlight on a pair of shark-hunting killer whales whose behaviour has fascinated scientists and wildlife enthusiasts.
Ecology
Mar 4, 2023
0
114
