Puerto Rican residents received food and water from FEMA after Hurricane Maria, but many complained that some boxes were stuffed with candy and salty snacks, not meals.
Mario Tama/Getty Images
A Miami-Dade County mosquito control worker sprays around a home in August 2016 in the Wynwood area of Miami. A University of Florida study recently identified the first known human case of the mosquito-borne Keystone virus.
Several circular herpes virus particles are seen near a cell membrane. Roseola herpes virus causes a childhood illness marked by skin rashes and now has been found in brains with Alzheimer's disease.
In these two two-cell mouse embryos, the surface of the embryos is outlined in orange, the DNA in the nucleus is indicated in blue and the activity of the LINE-1 gene is indicated via bright red spots.
Border Patrol agents take a father and son from Honduras into custody near the U.S.-Mexico border. The asylum seekers were then sent to a U.S. Customs and Border Protection processing center for possible separation.
John Moore/Getty Images
Karin Bruwelheide handles an amputates limb that dates back to the Civil War. The bones were discovered by scientists at Manassas National Battlefield Park in Virginia. Scientists at the Smithsonian Institution's National Museum of Natural History have been analyzing the bones to learn more about them and who they may have belonged to.
A study finds light drinkers have the lowest combined risk of getting cancer and dying prematurely — lower than nondrinkers. Alcohol is estimated to be the third-largest contributor to overall cancer deaths.
Canada's House of Commons voted to legalize recreational marijuana use, sending the bill to the Senate. In this photo from April 20, smoke rises during the annual 4/20 marijuana rally on Parliament Hill in Ottawa, Ontario.