Mass extinctions were followed by periods of low diversity in which certain new species dominated wide regions of the supercontinent Pangaea, reports a new study.
Evolution
Oct 10, 2017
0
330
Methane is a strong greenhouse gas that plays a key role in Earth's climate. Anytime we use natural gas, whether we light up our kitchen stove or barbeque, we are using methane.
Earth Sciences
Jun 14, 2021
3
318
The number of humans on the planet has almost doubled in the past 50 years ‒ and so has global food production. As a result, the use of pesticides and their effect on humans, animals and plants have become more important. ...
Ecology
Aug 16, 2013
0
0
(Phys.org) —Fluorescence imaging is the most widely used method for analyzing the molecular composition of biological specimens. Target molecules, when they are present, can be "tagged" with a fluorescent label and made ...
Optics & Photonics
Sep 27, 2013
0
0
It seems intuitive that forests would provide better habitat for forest-dwelling wildlife than farms. Yet, in one of the longest-running studies of tropical wildlife populations in the world, Stanford researchers found that ...
Ecology
Sep 4, 2023
0
193
(Phys.org) —Colonies of bacteria grown aboard the Space Shuttle Atlantis behaved in ways never before observed on Earth, according to a new NASA-funded study from Rensselaer Polytechnic Institute, Troy, New York. Recent ...
Cell & Microbiology
Jun 25, 2013
2
0
A three week expedition off the coast of Costa Rica has just expanded our knowledge of deep sea ecosystems in the region. Led by Dr. Erik Cordes, Temple University, the scientists aboard research vessel Falkor surveyed the ...
Environment
Feb 11, 2019
1
49
Investigators in China and the United States have injected human stem cells into primate embryos and were able to grow chimeric embryos for a significant period of time—up to 20 days. The research, despite its ethical concerns, ...
Biotechnology
Apr 15, 2021
6
612
ChatGPT has the potential to create increasing and exciting opportunities—but also poses significant challenges—for the academic community, according to an innovative study written in large part using the software.
Education
Mar 23, 2023
1
203
Compared with our closest relatives, the common chimpanzee and the bonobo, humans are pretty good at focusing exclusively on one mate at a time.
Social Sciences
Mar 11, 2020
1
110
