New asteroid heading for Earth, Bruce Willis's dementia explained, telescopes on the moon

Trouble viewing? View in your browser. View all Scientific American publications.

    

March 09, 2023

Planetary Science Newfound Asteroid May Strike Earth in 2046, NASA Says Preliminary estimates suggest that a 50-meter space rock called 2023 DW has a roughly one-in-600 chance of colliding with our planet in 23 years By Brandon Specktor,LiveScience

Neurology Understanding Frontotemporal Dementia, the Leading Cause of Dementia in People under Age 60 There is no cure for FTD, the disease that actor Bruce Willis was recently diagnosed with, but new research suggests some future therapies By Diana Kwon

Astronomy Are Telescopes on the Moon Doomed? Booming exploration and commercial activity could ruin the quiet, astronomy-friendly environment of the lunar far side By Davide Castelvecchi,Nature magazine

Oceans A Historic Deal to Protect the High Seas Makes Researchers 'Ecstatic' The historic High Seas Treaty aims to preserve marine biodiversity in what has been considered the "Wild West" of the oceans while still encouraging research By Nicola Jones,Nature magazine

Epidemiology Vaccine Makers Are Preparing for Bird Flu Although most experts say bird flu is not an immediate threat to humans, efforts are underway to produce vaccines for H5N1 or another potential pandemic virus By Hannah Docter-Loeb

Conservation Pablo Escobar's 'Cocaine Hippos' Spark Conservation Fight Researchers worry the Colombian environmental ministry will side with animal-rights activists rather than curb the spread of invasive hippos once kept by drug-cartel leader Pablo Escobar By Emiliano Rodríguez Mega,Nature magazine

Artificial Intelligence These Researchers Used AI to Design a Completely New 'Animal Robot' "Xenobots" are living, swimming self-powered robots that measure less than a millimeter across. They are evolved by artificial intelligence and built out of frog stem cells—and they could open new medical frontiers. By Luke Groskin

Climate Change Old Bomber Plane Will Sniff the Sky for Geoengineering Particles NOAA will use a converted Air Force bomber to search the upper atmosphere for substances that could help the U.S. reflect sunlight away from Earth By John Fialka,E&E News

FROM THE STORE Human Migration: How We Populated the Planet Millennia ago, early humans walked out of Africa and spread across the world in a way that few other species have. In this eBook, we examine how and why this happened, tracing insights from genome analyses as well as studies of footprints, tools, cave art and oral histories. We also look at the forces driving current human migration and where our journey might take us in the future.

FROM THE ARCHIVE The Asteroid Blast That Shook the World Is Still Making an Impact The Chelyabinsk asteroid slammed into Earth's atmosphere 10 years ago, the largest impact in more than a century By Phil Plait | February 2023

WHAT WE'RE READING Watch: The Troubled History of BMI, the Body Mass Index Despite the ubiquity of the BMI in medicine, many argue that it is a flawed tool, with a strange history By Hyacinth Empinado | STAT | Mar. 9, 2023

LATEST ISSUES

Questions?   Comments?

Download the Scientific American App

To view this email as a web page, go here. You received this email because you opted-in to receive email from Scientific American. To ensure delivery please add news@email.scientificamerican.com to your address book. Unsubscribe     Manage Email Preferences     Privacy Policy     Contact Us