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Humans have evolved to have some remarkable superpowers. People can thrive at high altitudes, dive for long periods underwater, and even tolerate a glass of lactose-rich milk well into adulthood. Now, a new study of Indigenous peoples from the Amazon…
March 08, 2023
Article at Science Magazine
A version of this story appeared in Science, Vol 379, Issue 6635. Before being diagnosed with an autoimmune disease several years ago, Linda Chastine says she was skinny. But the lifesaving steroid treatment for her condition made the Seattle…
March 02, 2023
The American Society of Human Genetics (ASHG) apologized today for the participation of some of its early leaders in the eugenics movement, as well as the group’s failure to acknowledge and oppose other past harms and injustices in the field of…
January 24, 2023
Was Tyrannosaurus rex as smart as a baboon? Scientists don’t like to compare intelligence between species (everyone has their own talents, after all), but a controversial new study suggests some dino brains were as densely packed with neurons as…
January 10, 2023
In the western, volcano-ringed highlands of Guatemala, Willy Barreno Minera keeps watch over the skies. As an ajq’ij, a daykeeper and spiritual guide, the stars and landscape help him keep track of the 260-day calendar that has ruled the life of his…
January 06, 2023
Este artículo se publicó originalmente en inglés en The Open Notebook el 29 de agosto de 2017, y fue traducido por Inés Gutiérrez Jaber y editado por Rodrigo Pérez Ortega. Algunas de las historias científicas más importantes, desde el cambio…
November 28, 2022
Article at The Open Notebook
A version of this story appeared in Science, Vol 378, Issue 6615. For the past decade, paleontologists have increasingly been using a unique window to peer into the past: amber—blobs of hardened tree resin—that preserves in exquisite detail insects,…
November 04, 2022
A version of this story appeared in Science, Vol 378, Issue 6619. In the 1930s, a 23-year-old Black man was admitted to City Hospital #2 in St. Louis and, according to his death certificate, died of pneumonia shortly after. Without his consent—or his…
November 02, 2022
The ancestors of modern humans evolved to grow quickly in the womb, according to a new study. It’s hard to find evidence of pregnancy in fossils, so researchers turned to a mathematical model. They inferred the growth rate in the womb across primates…
October 04, 2022
A genetic signature widely used to guide cancer treatments may not work for patients with African and Asian ancestries, according to a new study. The finding could mean people with these backgrounds are receiving an expensive therapy that won’t help…
There’s clear evidence that racial discrimination negatively affects the health of people of color over the course of their lives. It’s associated with depression, anxiety, and psychological stress; it increases blood pressure; and it has been shown…
September 14, 2022
We humans are proud of our big brains, which are responsible for our ability to plan ahead, communicate, and create. Inside our skulls, we pack, on average, 86 billion neurons—up to three times more than those of our primate cousins. For years,…
September 07, 2022
To the dismay of many scientists in Chile, voters resoundingly rejected a draft constitution that would have had major impacts on research, environmental policies, and Indigenous rights. Sixty-two percent of voters said “no” during a referendum…
September 05, 2022
Violence can seem to be everywhere in the United States, and political violence is in the spotlight, with the 6 January 2021 insurrection as exhibit A. Now, a large study confirms one in five Americans believes violence motivated by political reasons…
July 19, 2022
More than a decade ago, a 110-million-year-old dinosaur fossil was taken from its resting place in the Araripe Basin in Brazil under murky circumstances. Eventually, it landed in the State Museum of Natural History Karlsruhe (SMNK) in Germany—without…
Your unconscious biases might be affecting your health care, at least if you’re white. In a new study, health care providers gave nearly 200 white participants an allergen that caused their skin to swell. They then applied a placebo cream (unscented…
June 29, 2022
In mid-January, the southern tip of South America suffered its worst heat wave in years. In Argentina, temperatures in more than 50 cities rose above 40°C, more than 10°C warmer than the typical average temperature in cities such as Buenos Aires. The…
June 28, 2022
The COVID-19 pandemic has exposed many vulnerabilities in health care, including how structural racism created the pandemic’s outsize impact on marginalized groups. Age-adjusted infection, hospitalization, and death rates for people of color in the…
June 15, 2022
COVID-19 treatment for Black patients was delayed because of inaccurate blood oxygen measurements from “racially biased” medical instruments, STAT reports. Pulse oximeters, which indirectly measure oxygen saturation levels using light that passes…
June 01, 2022
A judge in Peru ruled against archaeologist Marcela Poirier on 23 May in a defamation lawsuit brought by Luis Jaime Castillo Butters, a prominent Peruvian archaeologist she accused of sexual harassment. Poirier, a manager of cultural and educational…
May 27, 2022
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