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NEW! Science News for Educators12/14/2018 - 14:26
Science News is the world’s best briefing on the latest science and research. Our new educator’s subscription includes a teaching guide for each issue published during the school year (see sample here). Packed with questions, classroom activities and additional readings, Science News for Educators lets you introduce real science into your classrooms.
64 armadillos threaten a theory —
Armadillos come in fours, quadruplet offspring from a single egg, and are endowed with identical genes. Yet, the quadruplets are often not identical, a fact that calls into question the assumption that genes encased in the nucleus of the cell are the sole determinants of heredity. — Science News, November 30, 1968Update
What comes naturally to...
Reviews & Previews
From tales about whales to enthralling scientific histories and the memoir of a frustrated astrophysicist, 2018 was a banner year for science books. Here are Science News’ picks for the titles that should be on any science lover’s bookshelf. Find detailed reviews of many of these books in the links below and in our Editor’s Pick: Favorite books of 2018.
The Truth About AnimalsLucy...
For roughly six months, fully functioning pig hearts beat inside the chests of two Anubis baboons. Genetic modifications to the pig hearts along with a new transplant technique are credited with the longest-yet survival after such a transplant, researchers report December 5 in Nature. Previously, the longest a baboon lived after such a procedure was 57 days.
Another two baboons in the...
Screwworm fly upsurge
Screwworms, the first pest to be eliminated on a large scale by the use of the sterile male technique, have shown an alarming increase, according to U.S. and Mexican officials…. The screwworm fly lays its eggs in open wounds on cattle. The maggots live on the flesh of their host, causing damage and death, and economic losses of many millions of dollars. —...
Special Gift with your Science News subscription11/16/2018 - 22:14
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In the past week, the Camp Fire has killed at least 56 people and leveled the Northern California town of Paradise. Another wildfire raging through the Los Angeles suburbs, the Woolsey Fire, has already destroyed more than 500 buildings and forced some 250,000 people to evacuate their homes.
Such disasters are likely to occur more frequently in the coming years, data from recent years...
A thick sphere of icy debris known as the Oort cloud shrouds the solar system. Other star systems may harbor similar icy reservoirs, and those clouds may be visible in the universe’s oldest light, researchers report.
Astronomer Eric Baxter of the University of Pennsylvania and colleagues looked for evidence of such exo-Oort clouds in maps of the cosmic microwave background, the cool...
Sea otters restocked in old home
When the [Atomic Energy Commission] first cast its eye on the island of Amchitka as a possible site for the testing of underground nuclear explosions, howls of anguish went up; the island is part of the Aleutians National Wildlife Refuge, created to preserve the colonies of nesting birds and some 2,500 sea otters that live there…— Science News, ...