As marine species continue to decline worldwide, the southern resident killer whale population—which now stands at 75 individuals—along the west coast of North America, has baffled scientists who are trying to understand ...
Plants & Animals
Sep 21, 2022
0
30
Many school districts across the United States are in the midst of a crisis: a teacher shortage. Part of the problem is due to the COVID-19 pandemic, but there are other reasons why teachers are leaving their jobs at higher ...
Education
Sep 21, 2022
2
2
People have been exploring the surface of Mars for over 50 years. According to the United Nations Office for Outer Space Affairs, nations have sent 18 human-made objects to Mars over 14 separate missions. Many of these missions ...
Space Exploration
Sep 21, 2022
0
47
Banned Books Week, an annual event that teachers and librarians across the U.S. mark with a combination of distress and defiance, is here again. The theme of this year's event, which takes place Sept. 18–24, is "Books Unite ...
Social Sciences
Sep 21, 2022
1
20
Sometimes getting to where you want to go is a matter of finding the right guide.
Ecology
Sep 21, 2022
0
30
The way we perceive poverty, hunger and household food insecurity is shaped by media, government policy, public relations, advertising and personal experience. But one persistent strand is the notion that poverty and food ...
Social Sciences
Sep 21, 2022
0
3
A new report examining the effectiveness of global plastic policies concludes that current approaches to policy making will not produce the step change needed to tackle the global plastic pollution crisis.
Environment
Sep 21, 2022
0
3
How did plants and animals survive around 200 million years ago when the carbon dioxide concentration went up to 6,000 parts per million? Paul Olsen, a geologist and paleontologist at Columbia Climate School's Lamont-Doherty ...
Earth Sciences
Sep 21, 2022
3
207
A pair of researchers, one with the University of Cambridge, the other the Royal Ontario Museum, has found a clue that might help place Typhloesus wellsi, nicknamed the "alien goldfish," on the tree of life. In their paper ...
In molecules, the atoms vibrate with characteristic patterns and frequencies. Vibrations are therefore an important tool for studying molecules and molecular processes such as chemical reactions. Although scanning tunneling ...
Optics & Photonics
Sep 21, 2022
0
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