Mexico takes vaccine to hinterland04/10/2018 - 15:00 Health
The campaign to eradicate measles in Mexico is going into the hinterland areas. Mobile brigades will use live virus vaccine produced in laboratories of the Republic’s Department of Health. Measles kills 10,000 Mexican children a year. — Science News, April 13, 1968Update
The last measles case to originate in Mexico occurred in 1995. In 2016...
Reviews & Previews
Darwin’s FossilsAdrian ListerSmithsonian Books, $19.95
Charles Darwin famously derived his theory of evolution from observations he made of species and their geographic distributions during his five-year voyage around the world on the H.M.S. Beagle. But in the introduction of On the Origin of Species, the naturalist also cites another influence: the thousands of fossils that he...
The death of physicist Stephen Hawking on March 14 at age 76 sparked a global outpouring of admiration. In our appreciation, Science News physics writer Emily Conover calls him “a black hole whisperer who divined the secrets of the universe’s most inscrutable objects." He was also among the very few cosmologists (hello, Carl Sagan) to have written an international best seller; Hawking...04/05/2018 - 07:53 Science & Society, Physics
Letters to the Editor
Diagnosis dinosaur04/05/2018 - 07:52 Paleontology, Evolution, Planetary Science
Some scientists are shaking up the dinosaur family tree and raising questions about which features define the ancient reptiles, Carolyn Gramling reported in “New fossils are redefining what makes a dinosaur” (SN: 3/3/18, p. 18).
“I am a bit put out by the continuing references to dinosaurs as being reptiles,” reader David Persuitte wrote. Dinosaurs’ legs were...
Every autumn, a quiet mountain pass in the Swiss Alps turns into an insect superhighway. For a couple of months, the air thickens as millions of migrating flies, moths and butterflies make their way through a narrow opening in the mountains. For Myles Menz, it’s a front-row seat to one of the greatest movements in the animal kingdom.
Menz, an ecologist at the University of Bern in...