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Let’s Rebuild the U.S. Jaguar Population—Yes, Jaguars

Let’s Rebuild the U.S. Jaguar Population—Yes, Jaguars Eric W. Sanderson On a chilly January morning in 1964, Russell Culbreath, a U.S. government hunter, trapped a jaguar on the broken hills above the Black River, on the White Mountain Apache Indian Reservation in Arizona.  In pictures that appeared in local papers shortly thereafter, Culbreath was shown…

Readers Respond to the January 2021 Issue

Readers Respond to the January 2021 Issue

Readers Respond to the January 2021 Issue Scientific American BIG OLD GALAXIES Arianna S. Long’s “Too Big for the Universe” describes ancient galaxy clusters that are surprisingly massive for their early age. Could this observation be related to how supermassive black holes in the centers of some galaxies have grown so big so…

The Cause of America’s Post-Truth Predicament

The Cause of America’s Post-Truth Predicament

The Cause of America’s Post-Truth Predicament Andy Norman In the hours after our new president was sworn in on January 20, an online discussion channel followed by 35,000 QAnon believers was rife with disbelief. “It simply doesn’t make sense that we all got played,” one poster wrote. But they did get played. So did we…

All Medical Students Should Be Vaccinated

All Medical Students Should Be Vaccinated

All Medical Students Should Be Vaccinated Erika Lynn-Green Since early January, medical students across the U.S. have joined physicians, surgeons, nurses and hospital employees in vaccination rollouts. When Trump’s CDC released the phase 1A guideline to vaccinate health care workers first (along with long-term care residents), patient-centered goals were not a factor in the decision.…

Coronavirus News Roundup, January 30-February 5

Coronavirus News Roundup, January 30-February 5

Coronavirus News Roundup, January 30-February 5 Robin Lloyd The items below are highlights from the free newsletter, “Smart, useful, science stuff about COVID-19.” To receive newsletter issues daily in your inbox, signup here. Here’s the best chart I’ve found so far to compare the effectiveness of the Pfizer, Moderna, AstraZeneca, Janssen (Johnson &…

Coronavirus News Roundup: January 23–January 29

Coronavirus News Roundup: January 23–January 29

Coronavirus News Roundup: January 23–January 29 Robin Lloyd The items below are highlights from the free newsletter, “Smart, useful, science stuff about COVID-19.” To receive newsletter issues daily in your inbox, sign up here. A question-and-answer piece with Dr. Leana Wen of the George Washington University School of Public Health explains why COVID-19…