Super-sized beavers were as big as black bears. They suddenly became extinct 10,000 years ago, while small modern beavers survived. Now scientists know why. Source: https://earthsky.org/earth/why-giant-beavers-went-extinct…
Tag: chemical
How Many Chemical Elements Can You Name? 1 in 5 Americans Can’t Name One.
One in 5 Americans can’t name a single element on the Periodic Table. Source: https://www.livescience.com/65605-americans-clueless-periodic-table-elements.html
Mars 2020 landing site
Jezero crater on Mars, where the NASA Mars 2020 rover will be exploring. Source: https://earthsky.org/todays-image/mars-2020s-landing-site-jezero-crater-photo…
Chemistry of stars sheds new light on the Gaia Sausage
Chemical traces in the atmospheres of stars are being used to uncover new information about a galaxy, known as the Gaia Sausage, which was involved in a major collision with the Milky Way billions of years ago. Source: https://phys.org/news/2019-05-chemistry-stars-gaia-sausage.html…
Significantly Large New Emissions From Banned CFCs Traced To China, Say Scientists
Solandri writes: In 2014, scientists began detecting plumes of CFC-11 in the atmosphere. The compound had been banned in the 1987 Montreal Protocol after it was discovered that it was contributing to the destruction of the ozone layer that protects life on Earth from ultraviolet radiation. Unfortunately, the releases were detected using global monitoring equipment, so the origin could not be…
Emissions of a banned ozone-destroying chemical have been traced to China
Since 2013, eastern China has increased its annual emissions of a banned chlorofluorocarbon by about 7,000 metric tons, a study finds. Source: https://www.sciencenews.org/article/emissions-banned-ozone-destroying-chemical-have-been-traced-china4…
Water formation on the moon
For the first time, a cross-disciplinary study has shown chemical, physical, and material evidence for water formation on the moon. Two teams from the University of Hawaiʻi at Mānoa collaborated on the project: physical chemists at the UH Mānoa Department of Chemistry’s W.M. Keck Research Laboratory in Astrochemistry and planetary scientists at the Hawai’i Institute of Geophysics and Planetology (HIGP). Source:…
Signs of red pigment were spotted in a fossil for the first time
For the first time, scientists have identified the chemical fingerprint of red pigment in a fossil. Source: https://www.sciencenews.org/article/first-evidence-red-pigment-fossil-mouse4…