News
- Health & Medicine
Pain follows cycle
Estrogen fluctuations during a woman's menstrual cycle may change her perception of pain.
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Nicotine during rat youth primes brain for harder drugs
The addictive ingredient in those cigarettes in the schoolyard could prep the brain for reliance on illicit drugs.
- Astronomy
Galactic spider
A Hubble Space Telescope image reveals a large galaxy in the early universe assembling from the merger of smaller ones.
By Ron Cowen - Planetary Science
Jovian storm grows stormier
Jupiter's Little Red Spot has become as strong as its big brother.
By Ron Cowen - Chemistry
Unnatural success
Chemists report the first synthesis of a promising antibiotic that other researchers recently discovered in nature.
- Physics
First teleportation between light and matter
Physicists have for the first time transmitted quantum states between atoms and light.
By Peter Weiss - Earth
A Whale’s Tale: Puzzling marine compounds are natural
Antique whale oil shows that some mysterious compounds that resemble DDT and PCBs are naturally produced.
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Trimming Down Cancer: Fat could hinder body’s fight against disease
Fatty tissue may secrete substances that make it harder for the body to battle cancer.
- Health & Medicine
Vanishing Devices: Doctors implant disappearing stents, heart patches
Novel heart devices fashioned mainly from materials that the body can absorb or break down have made their debut in heart patients.
By Ben Harder - Health & Medicine
Lung Scan: CT may catch some treatable cancers
Computed tomography (CT) scans seem to catch lung cancer early in smokers, but questions remain about the screening procedure.
By Nathan Seppa - Paleontology
Mastodons in Musth: Tusks may chronicle battles between males
Damage in the fossil tusks of male mastodons suggests that the creatures engaged in fierce combat with rival males at a certain time of year each year of their adult lives.
By Sid Perkins -
Med-Start Kids: Pros, cons of Ritalin for preschool ADHD
A long-term study indicates that 3- to 5-year-olds with attention-deficit hyperactivity disorder who are prescribed the stimulant Ritalin often show behavioral improvements but also display greater sensitivity to the drug's side effects than older children do.
By Bruce Bower