Feature
- Earth
Straight Flush
Scientists are evaluating the results of the flood they unleashed in the Grand Canyon last November, hoping that it will restore sandbars and beaches along the Colorado River just downstream of Arizona's Glen Canyon Dam.
- Humans
Bushmeat on the Menu
Studies of the bushmeat trade reveal that such meat appeals to people who can't afford anything else and to prestige seekers who certainly can.
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Poisonous Partnership
Tools from molecular biology are providing new insights into the viruses employed by parasitoid wasps to manipulate their caterpillar hosts.
- Astronomy
Images from the Edge
Examining nearby reaches of the universe at ultraviolet wavelengths, a recently launched spacecraft has found regions of star birth in unexpected places.
- Health & Medicine
Against the Migraine
Migraines may be among the problems that stem from a common but rarely diagnosed heart defect, and researchers have discovered that repairing the defect cures some of the headaches.
- Math
Life on the Scales
A mathematical equation helps explain life processes on all biological scales, from molecules to ecosystems.
- Chemistry
Chemistry au Naturel
Chemists aim to mimic natural systems with the hope of developing more-efficient chemical processes that are also less harmful to the environment.
- Health & Medicine
Dangerous Practices
Pharmaceutical companies' overaggressive marketing of risky drugs, compounded by conflicts of interest among physicians and government agencies, is hurting public safety, some researchers assert.
- Anthropology
Cultivating Revolutions
New studies suggest that farmers spread from the Middle East throughout Europe beginning around 10,000 years ago in a multitude of small migrations that rapidly changed the continent's social and cultural landscape.
- Health & Medicine
One in a Million
A 15-year-old girl in Wisconsin has survived a rabies infection without receiving the rabies vaccine, a first in medical history.
- Earth
When Mountains Fizz
Scientists are finding that the driving force behind a volcanic explosion is the same thing that propels spewing soda pop: bubbles.
- Tech
Matrix Realized
Devices called brain-computer interfaces could give paralyzed patients the ability to flex mechanical limbs, steer a motorized wheelchair, or operate robots through sheer brainpower.
