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White House Warns of Johnson & Johnson Vaccine Scarcity

Federal officials have said they still expect enough supply from the two other authorized vaccine manufacturers to be able to fulfill President Biden’s promise of having enough doses for all…

Are You Confused by Scientific Jargon? So Are Scientists

Polje, nappe, vuggy, psammite. Some scientists who study caves might not bat an eye, but for the rest of us, these terms might as well be ancient Greek. Specialized terminology…

Greta Thunberg Says She’ll Skip U.N. Climate Summit in Glasgow

Greta Thunberg, the Swedish climate activist, said she would not attend the next international climate talks unless everyone can be vaccinated equally and participate safely. “Inequality and climate injustice is…

These Rocks Made a 1,000-Mile Trek. Did Dinosaurs Carry Them?

In the summer of 2017, Joshua Miller, then an undergraduate at Augustana College in Illinois, visited a field research camp in Wyoming and picked up some rocks. Rounded at the…

Una partícula diminuta podría alterar las leyes de la física

Cada vez hay más pruebas de que una diminuta partícula subatómica desobedece las leyes de la física tal y como las conocíamos, anunciaron los científicos el miércoles. Este hallazgo abre…

More Contagious Covid Variant Is Now Dominant in U.S., C.D.C. Says

WASHINGTON — A highly infectious variant of the coronavirus that was first identified in Britain has become the most common source of new infections in the United States, the director…

How Debt and Climate Change Pose a ‘Systemic Risk to the Global Economy’

How does a country deal with climate disasters when it’s drowning in debt? Not very well, it turns out. Especially not when a global pandemic clobbers its economy. Take Belize,…

A Novel Effort to See How Poverty Affects Young Brains

The study aimed to collect brain activity data from children at age 1 and age 3 in home visits, and researchers managed to obtain the first set of data for…

Florida Crisis Highlights a Nationwide Risk From Toxic Ponds

They are ponds the size of city blocks: Wastewater pits that hold the hazardous byproducts of coal. Lagoons brimming with diluted pig excrement. Vast pools atop stacks of radioactive tailings.…

Isamu Akasaki, 92, Dies; Nobel Winner Lit Up the World With LEDs

Isamu Akasaki, a Japanese physicist who helped develop blue light-emitting diodes, a breakthrough in the development of LEDs that earned him a Nobel Prize and transformed the way the world…