News
- Health & Medicine
From Famine, Schizophrenia: Starvation gives birth to personality disorder
Women who go severely hungry during early pregnancy face twice the normal risk of having a child who develops schizophrenia in adulthood.
By Ben Harder - Planetary Science
Bigger than Pluto: Tenth planet or icy leftover?
Astronomers have found a body larger and more distant than Pluto, the biggest object found in the solar system since Neptune and its moon Triton were discovered in 1846.
By Ron Cowen -
Double Dog: Researchers produce first cloned canine
The dogged pursuit of a South Korean research team has produced Snuppy, the world's first cloned canine.
- Earth
Life thrived below solid ice shelf
A survey of a segment of Antarctic seafloor that until recently had laid beneath a thick, floating ice shelf for thousands of years has revealed an ecosystem apparently based on chemical nourishment, not sunshine.
By Sid Perkins - Earth
Hurricanes get boost from ocean spray
A new model that describes airflow across the ocean's surface suggests that tiny droplets whipped from the tops of waves increase wind speeds well above what they'd be if the ocean spray wasn't there.
By Sid Perkins - Health & Medicine
King George III should have sued
The madness of England's King George III may have been partly due to arsenic poisoning.
By Nathan Seppa -
Bacteria feed on stinky breath
Scientists have isolated mouth bacteria that consume the chemicals that cause bad breath.
- Health & Medicine
Lyme microbe forms convenient bond with tick protein
The bacterium that causes Lyme disease commandeers a gene in the deer tick, inducing overproduction of a salivary protein that the bacterium uses to escape immune detection once it's inside a mammal.
By Nathan Seppa -
Human immune signal sets off bacterial attack
A chemical secreted by immune cells when people are stressed or sick causes a common gut bacterium to go on the offensive against its host.
- Earth
Great river cycles carbon quickly
Some of the organic material carried to the sea by the Amazon is thousands of years old, but much of the carbon in carbon dioxide emanating from the river was stored in plants for less than a decade.
By Sid Perkins - Earth
What’s Gotten into Everybody? Survey of bodily contaminants finds encouraging declines and new exposures
The U.S. population's exposure to lead, secondhand smoke, and certain other harmful chemicals has trended downward, but some newly measured contaminants are present in a sizable fraction of the nation's residents, according to an updated report.
By Ben Harder - Health & Medicine
Echinacea Disappoints: There’s still no cure for the common cold
The folk remedy echinacea shows no benefit against the common cold.
By Nathan Seppa