Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
Ulcer Clue? Molecule could be key to stomach ailment
A protein called Ptprz binds with a bacterial toxin to produce ulcers in mice, possibly revealing a mechanism for the disorder.
- Health & Medicine
Light could be therapy against blindness
Beaming red light at rats soon after they've drunk methanol partially protects their eyes against that chemical's blinding effects.
- Humans
Doctoral seesaw
Throughout most of the 1990s, the number of doctoral degrees that U.S. universities awarded in science and engineering climbed steadily, to 27,300 in 1998, but by 2001, the number had dropped to 25,500, the lowest number since 1993.
- Health & Medicine
Miscarriages foretell heart trouble
Women who spontaneously lose one or more fetuses during early pregnancy are about 50 percent more likely than other women to later suffer ischemic heart disease.
- Health & Medicine
Pregnancy Woe Uncovered: Protein may underlie preeclampsia
New evidence links a placental protein to preeclampsia symptoms and may lead to new ways of detecting and treating the disease.
- Health & Medicine
Portrait of a cancer drug at work
Newly revealed protein structures show how a breast cancer drug functions.
- Health & Medicine
Why beer may deter blood clots
Downing a beer a day alters the structure of fibrinogen, a blood protein active in clotting.
- Archaeology
Grave surprise rises in Jamestown fort
Excavations in the 17th-century fort at Jamestown, Va., have yielded a grave containing the skeleton of a high-ranking male colonist.
- Health & Medicine
When Drinking Helps
Sometimes a nip of alcohol can indeed prove therapeutic, though usually not until middle age.
- Health & Medicine
Edible vaccine spawns antibodies to virus
Genetically engineered potatoes can deliver an edible vaccine against Norwalk virus, a common diarrhea-causing pathogen.
- Humans
From the March 4, 1933, issue
FISH OF DIFFERENT “FEATHER” OFTEN FLOCK TOGETHER Game herds of the African veldt have long been a marvel to travelers because of the extraordinary variety of animals seen together: zebras, gnus, antelope of many species, even elephants and ostriches, mingling in a wonderful patchwork quilt of moving life. Only lions and other predators are outsiders […]
- Humans
From the July 19, 1930, issue
TWISTER POSES Perhaps the finest photograph ever taken of a tornado–certainly at any rate a most unusual one–was obtained by Ira B. Blackstock, a Western railroad executive, at Hardtner, Kansas, on Sunday, June 2, 1929, at about 4:30 p.m. Mr. Blackstock let the windy monster approach as closely as he dared, standing with one foot […]
