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In deciphering the cosmic puzzle of what the nature of dark energy is, we’re going to better learn … [+] the fate of the Universe. Whether dark energy changes in strength or sign is key to knowing whether we’ll end in a Big Freeze, a Big Rip, a Big Crunch, or some other, even more

When a mysterious metal sculpture showed up in a remote area of Utah last week, people began to speculate how long it had been there before it was discovered. Google Earth sleuths narrowed it down to four years, but metal sculptures like that could potentially last for decades. The exact opposite is true of Andrea

Topline Researchers, including scientists from the Centers for Disease Control and Prevention (CDC) and the American Red Cross, have found evidence that Covid-19 was present in the U.S. in December 2019, weeks earlier than previously thought and before even the first cases in Wuhan, China, had been publicly identified.  Scientists believe Covid-19 may have been

This large, fuzzy-looking galaxy is so diffuse that astronomers call it a “see-through” galaxy … [+] because they can clearly see distant galaxies behind it. The ghostly object, catalogued as NGC 1052-DF2, is one of only a few candidate galaxies, along with nearby NGC 1052-DF4, to perhaps have no dark matter at all. NASA, ESA,

A macaque monkey. AFP via Getty Images Scientists have used Crispr gene-editing to remove an HIV-like virus from monkey DNA, a major step towards a cure for HIV infection in humans. In a study led by neurovirologist Kamel Khalili of Temple University in Philadelphia, researchers constructed a modified adenovirus containing a Crispr-Cas9 gene-editing system. That

Topline The Serum Institute of India has denied claims made by a former trial volunteer in a lawsuit that the Covid-19 vaccine it is conducting trials of that was developed by AstraZeneca and the University of Oxford caused serious neurological side effects, threatening to countersue and seek damages for the “malicious and misconceived” allegations.  An

Faoussatou Agnide, secretary of the district manager of Agla, in Cotonou, records the number of … [+] mosquito nets leaving the storage on April 28, 2020 during a distribution aiming at fighting malaria amid the pandemic of the novel coronavirus (COVID-19). – As the rainy season approaches Benin is the first country in West Africa

SARS-CoV-2 (gold) emerging from cells (green/purple). CC BY 2.0: NIAID How did Covid-19 become a global pandemic, and how can researchers develop vaccines that would give people immunity to the SARS-CoV-2 coronavirus? Answering both questions requires understanding how the human body responds to infection by SARS-CoV-2 — and science suggests that the secrets to the

getty A species of New World monkeys seems to have found a tidy solution to the infidelity “problem” that many mammals face. The archeological detritus of ancient human settlements, along with the anthropological records of current ones, show that about 85% of human societies have allowed polygyny. That’s a form of polygamy in which women

The Orion Nebula blazes brightly in the constellation Orion, as captured by the Hubble Space … [+] Telescope. NASA, ESA, M. Robberto (Space Telescope Science Institute/ESA) and the Hubble Space Telescope Orion Treasury Project Team Each Monday I pick out the northern hemisphere’s celestial highlights (mid-northern latitudes) for the week ahead, but be sure to

Activists from Climate Rush make their way to the Houses of Parliament with St. Stephen’s tower seen … [+] in the background, as part of a demonstration held against air pollution, London, Thursday April 19, 2012. . (AP Photo/Tim Hales) ASSOCIATED PRESS In what could set the scene for future litigation against companies and government

Illustration of CQ 4479, a puzzling “cold quasar” making improbable new stars picture credit: NASA A research team at the University of Kansas has found something a little strange in the cosmos. A galaxy that sits 5.25 billion light-years away has been creating new stars when it should be past that time in its life

Happy silhouette with arms raised on the full moon woman. The year’s biggest moon, in Benicassim, … [+] Castellon. getty There’s about to be a penumbral lunar eclipse. On November 30, 2020 at 09:42 Universal Time (04:42 EDT and 01:42 PDT) a full “Beaver Moon” will move into Earth’s shadow in space. Don’t expect fireworks.

A model-generated map of surface temperature anomalies across North America early in the morning on … [+] Wednesday, December 2, 2020. Tropical Tidbits A burst of chilly air will reach as far as the swamps of southern Florida next week as a topsy-turvy weather pattern greets the beginning of December. A winding jet stream will

What is discovery? In mathematics, there is this age-old question of whether new math is discovered or invented. It makes sense to ask the same sort of question about modern drug discovery. When using artificial intelligence to identify drug candidates, are these new drug candidates being developed, or simply exposed through a process of narrowing

The Universe is an amazing place, and the way it came to be today is something very much worth being … [+] thankful for. Although our most spectacular pictures of space are rich in galaxies, the majority of the volume of the Universe is devoid of matter, galaxies, and light entirely. We can only imagine

Scientific models getty Early in the Covid-19 pandemic, we heard a lot about models. We haven’t heard quite as much in recent months. This is especially interesting because models may be even more useful at the current stage of the epidemic than they have been at any time up to now. After all, we now

Whitetip reef sharks, Pacific creolefish, barberfish and Moorish idols populate the reef at the … [+] Revillagigedo Archipelago, Mexico. In March 2016, partnering with Mares Mexicanos, the Pristine Seas team conducted an expedition to explore the waters around the small reserve. Photo by Enric Sala, National Geographic Looking on a map, Pristine Seas is the

Deep frying a turkey can be a fun, safe, and delicious way to cook a large bird. But it’s vital to … [+] do it safely, because disaster can easily ensue. (Jason Kempin/Getty Images) Getty Images Every year, households all across the United States face a troubling dilemma with no good solutions: what should I

Migraine sufferers who have used both cannabis and prescription treatments say that cannabis works … [+] better at bringing on relief getty Migraine headaches are a fairly common condition, but for those who suffer from them, they can make life extremely difficult. With symptoms like throbbing headaches, nausea and vomiting, sensitivity to sound and light,