On Monday, White House Press Secretary Kayleigh McEnany fielded queries about the government response to the coronavirus pandemic and about a report that the Trump Administration failed to organize a response to a Russian plot to pay bounties to the Taliban to kill American troops in Afghanistan. Chip Somodevilla/Getty Images hide caption
Gilead Sciences, maker of the antiviral drug remdesivir, has come up with a price for the COVID-19 treatment that was less than some analysts expected. ULRICH PERREY/POOL/AFP via Getty Images hide caption
The Supreme Court ruled on Monday, in a 5-4 decision, a Louisiana law that required doctors performing abortions to have admitting privileges to nearby hospitals unconstitutional. Michael A. McCoy/Getty Images hide caption
Thomas Jefferson owned hundreds of slaves, yet he also wrote that "all men are created equal." How did he square the contradictions between his values and his everyday life? ericfoltz/Getty Images hide caption
The snake Chrysopelea paradisi is seen in Malaysia's Taman Negara National Park. To get from tree to tree, they can propel themselves in the air. David Renoult/iNaturalist hide caption
Then-Director of the National Institutes of Health Elias Zerhouni speaks with President George W. Bush during a round table discussion on cancer prevention at the NIH in Bethesda, Md., in 2007. Jim Watson/AFP via Getty Images hide caption
Flying costs a lot of carbon, and for those who fly, traveling by plane can make up a large portion of their carbon emissions. Thomas Jackson/Getty Images hide caption
Denise Herzing, dolphin researcher, at TED2013. James Duncan Davidson/TED hide caption
TED2016 TED Prize winner Sarah Parcak speaks at TED2016. Bret Hartman/Bret Hartman / TED hide caption
Internationally, scientists now have on file the genomes of more than 47,000 different samples of the virus that causes COVID-19 — up from just one in January. Here's a transmission electron micrograph of SARS-CoV-2 virus particles (orange) isolated from a patient. National Institute of Allergy and Infectious Diseases/National Institutes of Health hide caption
A laboratory technician holding a tray with doses of a COVID-19 vaccine candidate, ready for trial on monkeys at the National Primate Research Center of Thailand MLADEN ANTONOV/AFP via Getty Images hide caption
A massive cloud of dust from the Sahara Desert is arriving along the U.S. Gulf Coast this week after traveling across the Atlantic Ocean. The dust will move over the Southeastern United States after reaching the U.S. shore. NOAA/NESDIS/STAR/GOES-East hide caption
Minks at a mink farm. Yuri Tutov/AFP via Getty Images hide caption