Tag: four-percent
-
Study of Neanderthal Y chromosome hints at fertility problems
The first examination of a long-extinct Neanderthal's Y chromosome suggests that fertility problems may have prevented Neanderthal men from successfully mating with modern human females, researchers said Thursday. The study in the American Journal of Human Genetics is based on a male Neanderthal whose 49,000-year-old remains were found in El Sidron, Spain. Until now, researchers…
-
Poll: Some key gaps in Americans’ knowledge about Zika virus
WASHINGTON (AP) — Americans don't know a lot about the Zika virus that is linked to birth defects and creeping steadily closer to the U.S., according to a new poll that found about 4 in 10 say they've heard little to nothing about the mosquito-borne threat.