Feature
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PaleontologyJust for Frills?
The more that paleontologists scrutinize some dinosaurs' plates, frills, and other anatomical oddities, the more they suspect that the rationale behind these features is simply the need to be recognizably different.
By Sid Perkins -
Health & MedicineSiccing Fungi on Malaria
Two independent research teams have found that fungi can kill mosquitoes or reduce the efficiency with which they transmit the malaria parasite.
By Ben Harder -
AstronomyCosmic Computing
The largest computer simulation of the universe ever compiled uses dark matter to shed light on the formation of galaxies and on the visible structure of the universe.
By Ron Cowen -
AnthropologyThe Human Wave
Anatomically modern people evolved in small groups of ancient Homo sapiens that never traveled too far but continually interbred with nearby groups, including other Homo species, creating a genetic wave that moved from Africa across Asia, a new model suggests.
By Bruce Bower -
TechEasy Striders
New robots based on the mechanics of human walking use less energy and move more naturally than traditional bipedal robots do, suggesting new ways to approach two-legged robots and prosthetic design.
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HumansPushing Drugs
Pharmaceutical marketing toward both patients and physicians appears to influence which medicines get prescribed.
By Ben Harder -
ArchaeologySeeing Past the Dirt
Increasingly, researchers are using geophysical techniques such as ground-penetrating radar and magnetometers to target their excavations.
By Sid Perkins -
PlantsMommy Greenest
Green leafy moms take care of their offspring in ways that go beyond wrapping them in nice, snug seed coats and packing a nutritious lunch for them.
By Susan Milius -
EarthToxic Surfs
Scientists have discovered not only three new mechanisms by which an alga species in Florida water can poison but also a trio of natural antidotes produced within that same species.
By Janet Raloff -
PhysicsGetting Warped
While museum displays such as simulations of warped space-time acquaint visitors with the ideas behind Albert Einstein's scientific discoveries, other galleries of artifacts, letters, and even film footage reveal the multifaceted man that Einstein was.
By Peter Weiss -
Materials ScienceBright Future
Energy-efficient, semiconductor-based chips called light-emitting diodes will begin to illuminate homes and offices within the next decade, displacing power-hungry incandescent and fluorescent lighting.
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PhysicsDr. Feynman’s Doodles
A new U.S. postage stamp honoring physicist and folk hero Richard P. Feynman sports curious squiggles, invented by Feynman, that were rejected at first but soon became a major tool of physicists everywhere for picturing the behaviors and calculating the properties of matter and energy.
By Peter Weiss