Malaria parasites, spread by a mosquito's bite, have started to adapt so the go-to drugs won't knock them out. Daniel Heuclin/Nature Picture Li/Getty Images/Nature Picture Libr hide caption
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Worshipful female followers fought for the Mad Monk's leftover bread crusts. His infamous sweet tooth led to his death. Or did it? A century later, rumors about Grigori Rasputin, Russia's czarina whisperer, still swirl. RGALI/Courtesy of Farrar, Straus and Giroux hide caption
British Petitioners Seek To Keep Trump From Making An Official State Visit
Marjan practices at the Afghanistan National Institute of Music in Kabul. Rachel Corner/De Beeldunie hide caption
President Trump and British Prime Minister Theresa May walk along the colonnades of the White House in Washington, D.C., on Friday. Pablo Martinez Monsivais/AP hide caption
A Syrian refugee boy plays outside his family's tent in a Syrian refugee camp in the town of Zahrani, Lebanon, in December. Some 1 million Syrians live in Lebanon as refugees, according to the U.N. Mohammed Zaatari/AP hide caption
President Donald Trump speaks on the phone with Russian President Vladimir Putin in the Oval Office of the White House, Jan. 28, 2017 in Washington, D.C. Also pictured, from left, White House Chief of Staff Reince Priebus, Vice President Mike Pence, White House Chief Strategist Steve Bannon, Press Secretary Sean Spicer and National Security Advisor Michael Flynn. Drew Angerer/Getty Images hide caption
King George III: Mad, villainous brute — or flawed, misunderstood man? A new, publicly available archive aims to give scholars and dabblers alike a chance to decide for themselves. This image was rendered in 1795, more than a decade after George nearly abdicated. William Perther/Library of Congress hide caption
President Trump and British Prime Minister Theresa May, in the Oval Office on Friday before a private meeting. Pablo Martinez Monsivais/AP hide caption