Two of the nodes, they concluded, were likely small galaxies with small internal motions that cannibalize from the large galaxy. Measurements of the third node had error bars so large that it could not yet be excluded or...
Much less is known about the lifestyle of previous assassins, of which only about 50 species have been discovered in fossil form. The newcomer to the group, Aphelicophontes danjuddi, is one of the most intact to date.The fossil...
However, putting theory into practice will pose many challenges. Odor tests, which can reliably identify people with the coronavirus while excluding people with something else, are not yet widely used. (Dr. Hopkins pointed out some odor tests...
One of Ms. Aggarwal's areas of expertise is developing a clean energy standard, which is the percentage of non-fossil fuels that utilities must achieve in their electricity generation and sale. By setting a standard without citing the source,...
In late December, scientists in California began screening coronavirus samples for a rapidly spreading new variant that had just been identified in the UK.They found it, albeit in relatively few samples. The scientists made another undesirable discovery: California...
WASHINGTON - A federal appeals court on Tuesday rejected the Trump administration's plan to ease restrictions on greenhouse gas emissions from power plants, paving the way for President-elect Joseph R. Biden Jr. to impose new and stricter restrictions on...
Baltimore's lawsuit, originally filed in July 2018, said the city "is particularly vulnerable to sea level rise and flooding" and has spent "significant funds" on planning and managing global warming. The lawsuit also cites the cost of health...
"Our market has always been what I call the 'working poor' and they are getting poorer," said Josef Woodman, CEO of Patients Without Frontiers. "The pandemic has wiped out low-income and middle-class people around the world, and for...
Die Scheibe ist klein - nur 12 Zoll im Durchmesser - aber sie hat sich in den Köpfen der Menschen über Jahrtausende hinweg als groß herausgestellt. Das aus Bronze gefertigte Artefakt wurde von seinen Handwerkern mit einer alten...
"It's a chicken-or-egg problem," said Nan Ransohoff, head of climate at Stripe, a San Francisco-based online payments company. “The best way to reduce costs is to use these technologies on a large scale. But until there are...

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