The Naked Truth: Why Humans Have No Fur
Recent findings lay bare the origins of human hairlessness—and hint that naked skin was a key factor in the emergence of other human traits
Features
"Impossible" Colors: See Hues That Can't Exist
People can be made to see reddish green and yellowish blue—colors forbidden by theories of color perception. These and other hallucinations provide a window into the phenomenon of visual opponency...
Fixing the Global Nitrogen Problem
Humanity depends on nitrogen to fertilize croplands, but growing global use is damaging the environment and threatening human health. How can we chart a more sustainable path?
Mysteries of How a Star Is Born
Making a star is no easy thing
Better Mileage Now--Improving the Combustion Engine
Emerging technologies could make the internal combustion engine substantially more fuel-efficient, even as green vehicles make inroads
Stopping Infections: The Art of Bacterial Warfare
New research reveals how bacteria hijack our bodies' cells and outwit our immune systems--and how we can use their own weapons against them
Life at the Bottom: The Prolific Afterlife of Whales
On the deep seafloor, the carcasses of the largest mammals give life to unique ecosystems
Departments
Ask the Experts
- From the Editor
Continuum of Change: The Hairless Human
- Letters
Readers Respond on "Squeezing More Oil from the Ground"
- Advances
Microsoft's Hands-Free Answer to the Nintendo Wii
Python Predation: Big snakes poised to change U.S. ecosystems
Lost Giants: Disparate Clues in the Mammoth Extinction Debate
Poisoned Shipments: Are Strange, Illicit Sinkings Making the Mediterranean Toxic?
Better Broadband: New Regulatory Rules Could Change the Way Americans Get Online
Engineered Mice Mimic Human Populations
Negating "Climategate": Copenhagen Talks and Climate Science Survive Stolen E-Mail Controversy
Testosterone-Fueled Sociability
Hearing with Skin
- Recommended
Recommended: Gems and Gemstones
- Skeptic
Cultivate Your Garden
- Anti Gravity
Greenhouse Bananas: Non-Science Smear Campaigns
- 50, 100 & 150 Years Ago
100 Years Ago: The Flooding of Paris
- Perspectives
Comparatively Easy: Why Research Is Needed for Health Care Reform
- Critical Mass
Life from a Test Tube? The Real Promise of Synthetic Biology
- Sustainable Developments
Fixing the Broken Government Policy Process
