How a new method of inferring ancient population size revealed a severe bottleneck in the human population which almost wiped out the chance for humanity as we know it today.
Evolution
Aug 31, 2023
3
336
How much time and effort do you spend chewing? Although you probably enjoy a few leisurely meals every day, chances are that you spend very little time and muscular effort chewing your food. That kind of easy eating is very ...
Archaeology
Mar 9, 2016
20
957
Roughly 4 billion years ago, Earth was developing conditions suitable for life. Origin-of-life scientists often wonder if the type of chemistry found on the early Earth was similar to what life requires today. They know that ...
Biochemistry
Feb 29, 2024
14
4497
(PhysOrg.com) -- A six-legged, 25 gram robot has been fitted with flapping wings in order to gain an insight into the evolution of early birds and insects.
Robotics
Oct 17, 2011
9
0
(PhysOrg.com) -- Two of the most basic questions in the study of human evolution revolve around why early people started walking around on two feet instead of four and why they lost their fur, especially in light of the fact ...
One of the biggest mysteries in galaxy evolution is the fate of the compact massive galaxies that roamed the early Universe.
Astronomy
Feb 27, 2015
4
2084
Stephan's Quintet, a visual grouping of five galaxies, is best known for being prominently featured in the holiday classic film, "It's a Wonderful Life." Today, NASA's James Webb Space Telescope reveals Stephan's Quintet ...
Astronomy
Jul 12, 2022
1
528
Researchers led by the University of Bristol show that the earliest jaws in the fossil record were caught in a trade-off between maximizing their strength and their speed.
Paleontology & Fossils
Mar 18, 2022
0
366
An international and interdisciplinary team working at the Earth-Life Science Institute (ELSI) at the Tokyo Institute of Technology has modeled the evolution of one of biology's most fundamental sets of building blocks and ...
Evolution
Sep 10, 2019
1
930
Humans and chimpanzees differ in only one percent of their DNA. Human accelerated regions (HARs) are parts of the genome with an unexpected amount of these differences. HARs were stable in mammals for millennia but quickly ...
Evolution
Jan 13, 2023
8
387
