While a little added stress may be helpful to flee a dangerous situation, or to meet an approaching deadline, it's no secret that prolonged exposure to the stress hormone cortisol is linked to health problems. So, what effects ...
Ecology
Dec 6, 2017
0
1061
Fossilised remains of a fish that grew as big as a great white shark and the largest of its type ever found have been discovered by accident.
Plants & Animals
Feb 15, 2021
3
6170
New research from Monterey Bay Aquarium and partner institutions published today in Nature Scientific Reports challenges the notion that great white sharks are the most formidable predators in the ocean. The study "Killer ...
Ecology
Apr 16, 2019
1
1210
The first direct evidence of orcas killing white sharks in South Africa has been captured by both a helicopter and drone pilot, and a new open-access paper published today in The Ecological Society of America's journal Ecology ...
Plants & Animals
Oct 4, 2022
1
137
A pair of Orca (Killer Whales) that have been terrorizing and killing Great White Sharks off the coast of South Africa since 2017 has managed to drive large numbers of the sharks from their natural aggregation site.
Plants & Animals
Jun 30, 2022
0
97
It's a mystery of the sea: How many great white sharks are prowling near California's surf lines? Some scientists say the population is large and healthy. Others say it is alarmingly small. No one has ever known for certain, ...
Ecology
May 28, 2013
0
0
Despite evolving separately for 400 million years, some sharks and tuna share genetic traits linked to higher metabolism and quick swimming behaviour.
Evolution
Sep 23, 2016
2
342
The great white shark has been in the Mediterranean for 3.2 million years, way longer than researchers have hypothesized until now. The white sharks currently living in the Mediterranean are genetically closer to those of ...
Plants & Animals
Feb 11, 2020
0
1650
A new study has documented unexpected consequences following the decline of great white sharks from an area off South Africa. The study found that the disappearance of great whites has led to the emergence of sevengill sharks, ...
Ecology
Feb 13, 2019
0
1558
Outsized jaw muscles allow the black piranha to exert bite force equivalent to 30 times its bodyweight, a feat unmatched in the natural world, according to results of a finger-risking study published Thursday.
Archaeology
Dec 20, 2012
0
0
