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China’s space agency has a penchant for secrecy around its missions. It has shown more openness in the past year, providing a live video on state media of its Chang’e-4 mission’s launch to the moon. Should it announce a more precise arrival
In 1956, the Rosenbluths moved to San Diego, where Marshall Rosenbluth took a job at General Atomics, a division of General Dynamics that had been established to explore peaceful uses of atomic energy. Their marriage ended in divorce in 1978. In addition
The invention of Covid-19 vaccines will be remembered as a milestone in the history of medicine, creating in a matter of months what had before taken up to a decade. But Dr. Kayvon Modjarrad, the director of Emerging Infectious Diseases Branch at
From about $500 an ounce five years ago, the price of palladium quintupled to hit a record of $2,875 an ounce last year, and is now hovering between $2,000 and $2,500 an ounce, above the price of gold. Rhodium prices have skyrocketed
People with dementia had significantly greater risk of contracting the coronavirus, and they were much more likely to be hospitalized and die from it, than people without dementia, a new study of millions of medical records in the United States has found.
The first in a parade of three new visitors to Mars arrives Tuesday when a robotic probe named Hope, the first interplanetary mission undertaken by an Arab nation, is to enter orbit. For people in the United Arab Emirates, just getting there
The flash flood that killed dozens of people and left hundreds missing in the Himalayas of India on Sunday was far from the first such disaster to occur among the world’s high-mountain glaciers. In a world with a changing climate, it won’t
NEW DELHI — Long before the floods came, washing away hundreds of people and wiping out newly constructed dams and bridges, the warning signs were clear. The Himalayas have been warming at an alarming rate for years, melting ice long trapped in
Among the many disasters climate change is wreaking around the world, scientists have now identified a more personal one: It’s making allergy season worse. That is the message of a new study in the journal Proceedings of the National Academy of Sciences
LAGOS, Nigeria — Rapidly growing countries generally see sharp increases in air pollution as their populations and economies expand. But a new study of air quality in Africa published on Monday has found the opposite: One of the continent’s most vibrant regions