New Evidence Supports Animal Origin of COVID Virus through Raccoon Dogs

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March 24, 2023

Epidemiology New Evidence Supports Animal Origin of COVID Virus through Raccoon Dogs Genetic sequences show evidence of raccoon dogs and other animals at the Wuhan market sites where SARS-CoV-2 was found in early 2020, adding to evidence of a natural spillover event By Tanya Lewis

Astronomy Rare, Dust-Shrouded Dying Star Revealed in New JWST Image Before exploding as supernovae, massive Wolf-Rayet stars spew gas and dust into space, seeding the formation of future stellar and planetary systems By Allison Parshall

Oceans Here's the Real Story behind the Massive 'Blob' of Seaweed Heading toward Florida Florida beaches are already receiving hefty batches of brown seaweed, kicking off a year that could break records By Meghan Bartels

Climate Change Will Humans Ever Go Extinct? It’s probably a matter of when and how, not if, we humans will meet our doom By Stephanie Pappas

Mathematics The World's Simplest Theorem Shows That 8,000 People Globally Have the Same Number of Hairs on Their Head Hairiness is the perfect way to demonstrate the math underlying the “pigeonhole principle,” first conceived in 1622 By Manon Bischoff

History Beethoven's Cause of Death Revealed from Locks of Hair DNA from locks of Beethoven’s hair reveals how the composer died, but his hearing loss remains a mystery By Dyani Lewis,Nature

Astronomy Was 'Oumuamua, the First Known Interstellar Object, Less Weird Than We Thought? A new study suggests that ‘Oumuamua, the mysterious visitor that whizzed through our solar system in 2017, may have been merely a small comet from another star By Meghan Bartels

Planetary Science Volcanoes on Venus? 'Striking' Finding Hints at Modern-Day Activity The discovery highlights a need for future missions after NASA puts one on hold By Myriam Vidal Valero,Nature magazine

Defense Space Force Humor, Laser Dazzlers, and the Havoc a War in Space Would Actually Wreak In the inaugural episode of Cosmos, Quickly, we blast off with Lt. Gen. Nina Armagno of the Space Force, who is charged with protecting our space in space, particularly from Russia and China. By Lee Billings,Clara Moskowitz,Jeffery DelViscio | 13:52

Behavior How the Psychology of Silicon Valley Contributed to a Bank Collapse Venture capitalists and start-ups don’t mind losing money, but dealing with a bank run is a whole different story By Gary Stix

Pharmaceuticals Eye Drops Recalled after Deaths and Blindness--Here's What to Know Here’s how to tell whether your eye drops are safe to use and how to recognize a potential infection By Meghan Bartels

Animals The Strange Way a 12-Foot-Long Invasive Python Was Caught In Key Largo, Fla., scientists are looking to protect endangered native rodents and slow the invasion of massive Burmese pythons By Meghan Bartels

FROM THE STORE Scientific American Volume 328, Issue 4

BRING SCIENCE HOME Build an Irrigation System Go with the flow and let gravity do the work as you build and test a simple irrigation model. How far can you get the water to go?  Credit: George Retseck Irrigation, the artificial application of water to crops, has been used by humans for thousands of years. Ancient civilizations built complex irrigation systems without the aid of modern technology or construction equipment. Can you design a model irrigation system using simple household materials? Try this project to find out!

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