Where do all the heavy metals on earth come from? The answer will surprise you.

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January 05, 2023

Astrophysics All the Gold in the Universe Was (Likely) Created This Way For a long time, no one knew how "heavy metals" formed—or showed up on Earth. Now some new evidence finally points the way to an answer. By Jason Drakeford,Clara Moskowitz,Jeffery DelViscio

Diet How Diet Builds Better Bones: Surprising Findings on Vitamin D, Coffee, and More For healthy adults who want strong bones, a commonly recommended vitamin doesn't seem to help, but other things really do By Claudia Wallis

Astronomy Audio Astronomy Unlocks a Universe of Sound Turning astronomical data into sound rather than images can inspire blind and visually impaired people—and maybe lead to some discoveries, too By Timmy Broderick

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Fossil Fuels Record-High Temperatures across Europe Ease Energy Crisis Imposed by Russia's War Trouble looms, though, as Europe continues to seek alternative energy sources By Chelsea Harvey,Sara Schonhardt,E&E News

Public Health What Rice-Farming Cultures Can Teach Us about Pandemic Preparedness Societies that farm rice over wheat tend to be more tight-knit and interdependent, which could protect them from pandemic viruses like the one behind COVID By Thomas Talhelm

Planetary Science Volcanic Activity on Mars Upends Red Planet Assumptions A mass of moving material on Mars called a mantle plume may be causing marsquakes and volcanism By Phil Plait

Culture This Spiritual Tradition Could Be the Most Poetic Bereavement Therapy Ever Documented A mourning ritual of dialogues with the dead speaks to the fragility of theological diversity By Piers Vitebsky

Climate Change Are Home Insurers Abandoning Communities Vulnerable to Climate Change? The U.S. Treasury Department makes an unprecedented move to find out By Thomas Frank,E&E News

Policy What's on the Horizon for 2023 Scientific American editors share what scientific events they are paying attention to as 2023 begins By The Editors

FROM THE STORE Special Editions Volume 28, Issue 2s

FROM THE ARCHIVE The Hunt for Alien Molecules Astrochemists are discovering many compounds in the cosmos that cannot exist on Earth By Clara Moskowitz | December 2015

QUOTE OF THE DAY "We are used to thinking that astronomy is a visual science, but that's actually just a habit that we have. We are basically all blind to the sky; we can see just a tiny fraction of what's up there. And the rest is just a representation that we give." Anita Zanella, astronomer at the Italian National Institute for Astrophysics.

WHAT WE'RE READING Your Stuff is Actually Worse Now How the cult of consumerism ushered in an era of badly made products. By Izzie Ramirez | Vox | Jan 4, 2023

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