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Technology
Secretive Company Claims Battery Breakthrough
The Michigan startup Sakti3 says its solid-state cells more than double the energy density of today’s best li-ion batteries -
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Health
Is Fluoride in Private Wells Causing an IQ Decline?
Excess fluoride, which may damage both brain and bone, is leaching out of granite and into Maine's drinking water—and potentially other New England states -
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Health
More Parents Nixing Anti-Bleeding Shots for Their Newborns
Vitamin K injections, given after birth, can prevent potentially fatal hemorrhaging in infants, but anti-vax parents are extending their fears into a general rejection of all shots -
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Energy & Sustainability
![The Battle to Save Yellowstone from Invasive Fish [Slide Show]](http://www.scientificamerican.com/sciam/cache/file/663F5AEC-FB44-4E38-A01AE7D9AFA7D05F_small.jpg)
The Battle to Save Yellowstone from Invasive Fish [Slide Show]
The National Park Service is scoring some victories in its fight to eradicate nonnative lake trout from Yellowstone’s largest lake -
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Energy & Sustainability
Booming Rooftop Solar Power Suffers Growing Pains
Reaping benefits from solar panels on a home may be harder than some sales pitches suggest -
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More Science
Rubber Bullets in Missouri Clash Highlight Militarization of America’s Police
Police forces are increasingly turning to so-called nonlethal but dangerous weapons to control conflicts -
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More Science
World’s Greatest Engineering Project Turns 100
The Panama Canal opened officially a century ago -
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Space
Sierra Nevada’s Space Plane in the Chase with SpaceX and Boeing to Win NASA Nod
The company’s Dream Chaser orbital glider has yet to achieve orbit but still is a contender to ferry Americans to and from the International Space Station -
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Mind & Brain
Robin Williams: Depression Alone Rarely Causes Suicide
Several factors, such as severity of symptoms, family history, substance abuse and a “mixed” depressive and manic state may combine to increase the risk for suicide -
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Energy & Sustainability
Ants May Boost CO2 Absorption Enough to Slow Global Warming
Ants can speed up mineral reactions that capture atmospheric carbon dioxide so dramatically that they could one day be enlisted in the fight against climate change -
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Health
U.N. Panel Says It Is Ethical to Dole Out Experimental Ebola Drugs
Supplies are limited, and deciding who gets treatment is difficult -
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Technology
“Ambiguous” Warfare Buys Upgrade Time for Russia’s Military
While playing catch-up on technology, Russia opts for cyber attacks, disinformation and other shadowy ways to fight a war with—and sometimes without—plausible deniability -
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Space
Far Out: The Most Distant Star in the Milky Way
A star 890,000 light-years away patrols our galactic frontier -
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Health
BPA-Free Plastic Containers May Be Just as Hazardous
Animal studies find that a replacement compound for the estrogen-mimicking chemical bisphenol A may also be harmful to human health -
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Energy & Sustainability
Deadly Algae Are Everywhere, Thanks to Agriculture
Get used to algae blooms, they may be coming to a body of water near you -
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Mind & Brain
![Hope and Fear’s Anti–Sweet Spot Help Explain the Experience of Feeling Riveted [Excerpt]](http://www.scientificamerican.com/sciam/cache/file/F2BBEEF5-C642-46F3-95CAD4F0C29B9A00_small.jpeg)
Hope and Fear’s Anti–Sweet Spot Help Explain the Experience of Feeling Riveted [Excerpt]
In a new book author Jim Davies explains the evolutionary underpinnings of the experiences and items that capture our interest and affect our choices -
News
Energy & Sustainability
The Best Shark Biologists and Conservationists to Follow During Shark Week
These researchers and educators can teach you more about sharks as the fascinating, ecologically important and threatened multiple species that they are -
News
Energy & Sustainability
![Foresters Now Monitoring Tree Populations from Space [Slide Show]](http://www.scientificamerican.com/sciam/cache/file/0E56EE31-4E4E-4785-88BBBB703B040510_small.jpg)
Foresters Now Monitoring Tree Populations from Space [Slide Show]
Scientists know surprisingly little about what is growing in our forests. New techniques for analyzing satellite data are about to change that -
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More Science
Particle Measurement Sidesteps the Uncertainty Principle
A novel way of measuring a photon’s location allows physicists to measure its momentum, too—a feat once thought impossible
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Energy & Sustainability
Massive Dolphin Die-Off Eludes Final Explanation
The morbillivirus is the prime suspect in the unprecedented and ongoing die-offs, but other culprits are possible
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