Humans
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We summarize the week's scientific breakthroughs every Thursday.
- Anthropology
Chinese Roots: Skull may complicate human-origins debate
A Chinese Homo sapiens skull, estimated in a controversial new study to be at least 68,000 years old and probably more than 100,000 years old, may challenge the theory that modern humans originated solely in Africa.
By Bruce Bower - Anthropology
Chinese Roots: Skull may complicate human-origins debate
A Chinese Homo sapiens skull, estimated in a controversial new study to be at least 68,000 years old and probably more than 100,000 years old, may challenge the theory that modern humans originated solely in Africa.
By Bruce Bower - Anthropology
Ethiopians reveal high-altitude twist
To the surprise of researchers, blood measures of oxygen-rich hemoglobin in Ethiopian villagers living more than 2 miles above sea level are the same as those of lowland dwellers.
By Bruce Bower - Anthropology
Ethiopians reveal high-altitude twist
To the surprise of researchers, blood measures of oxygen-rich hemoglobin in Ethiopian villagers living more than 2 miles above sea level are the same as those of lowland dwellers.
By Bruce Bower - Health & Medicine
Herpes vaccine progresses
A new vaccine for genital herpes protects some women but not men.
By Nathan Seppa - Health & Medicine
Herpes vaccine progresses
A new vaccine for genital herpes protects some women but not men.
By Nathan Seppa - Humans
From the December 17 & 24, 1932, issues
BEAUTY FROZEN IN GLASS SERVES CAUSE OF SCIENCE Gems as fantastically beautiful as any that have ever glittered in dreams of a frosty Christmas fairyland are being made in glass for the American Museum of Natural History by Herman Mueller, reputed to be the world’s most skillful glassblower. They are not mere conventional designs, however, […]
By Science News - Humans
From the December 17 & 24, 1932, issues
BEAUTY FROZEN IN GLASS SERVES CAUSE OF SCIENCE Gems as fantastically beautiful as any that have ever glittered in dreams of a frosty Christmas fairyland are being made in glass for the American Museum of Natural History by Herman Mueller, reputed to be the world’s most skillful glassblower. They are not mere conventional designs, however, […]
By Science News - Humans
Einstein’s Vision
Accompanying the Einstein exhibit at the American Museum of Natural History, this Web site offers a captivating portrait of the most famous scientist of the 20th century. Several online essays probe Albert Einstein’s theories, providing insights into light, time, energy, and gravity. Others explore aspects of his life and times. Go to: http://www.amnh.org/exhibitions/einstein/
By Science News - Humans
Einstein’s Vision
Accompanying the Einstein exhibit at the American Museum of Natural History, this Web site offers a captivating portrait of the most famous scientist of the 20th century. Several online essays probe Albert Einstein’s theories, providing insights into light, time, energy, and gravity. Others explore aspects of his life and times. Go to: http://www.amnh.org/exhibitions/einstein/
By Science News - Health & Medicine
New tests may catch bicyclers on dope
Two new tests, on blood and urine, detect the presence of synthetic erythropoietin, a drug that boosts red blood cell counts and enhances stamina.
By Nathan Seppa - Health & Medicine
Did colonization spread ulcers?
A comparison of strains of Helicobacter pylori, the bacterium that causes ulcers, suggests that colonists brought it to the New World.
By Nathan Seppa