Author Archives: Scientific American Content: Global

Internet Sees Mysterious Gathering (Council?) of Gandalf-Themed Creatures

Wizard hats are all the rage, apparently

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High Hopes Ride on Marijuana Amid Opioid Crisis

Medical weed is a popular way to manage chronic pain

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Yellowstone Grizzly Bears to Lose Endangered Species Protection

The decision to drop federal protection is based on findings that the bears’ numbers have rebounded in recent decades

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Teen Pregnancies Down as More Adolescents Use Contraception

Most American teens have still had sex by age 18 according to the CDC analysis

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Ask the Brains, Part 1: Experts Reveal 55 Mysteries of the Mind

People behave in strange ways. We sometimes giggle when someone falls down, swear we’ve been to places we haven’t or continue believing in something despite scientific evidence to the contrary. For…

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How a Math Formula Could Decide the Fate of Endangered U.S. Species

Feds consider “conservation triage” that would let some animals go extinct to save funds for protecting others

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Readers Respond to the February 2017 Issue

Letters to the editor from the February 2017 issue of Scientific American

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Ahead of Trump Decision, China Says It Will Stick to Paris Climate Deal

A U.S. withdrawal would give China the opportunity to become the world’s climate leader

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Maryland Law Seeks to Curb Antibiotic Overuse on Farms

Only California has similar legislation

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Highways Could Help Bears and Butterflies

Smart design and roadside management could actually improve the odds for wildlife

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Why Is Synaptic Pruning Important for the Developing Brain?

Irwin Feinberg, professor emeritus of psychiatry and behavioral sciences at the University of California, Davis, replies: 

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Chocolate Linked to Decreased Risk of Irregular Heart Rhythm

People who ate cocoa one to three times a month less likely to be diagnosed with atrial fibrillation

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FDA Clears First Cancer Drug Based on Genetics of Disease, Not Tumor Location

Diseases with these traits occur throughout the body

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Physics: New Frontiers*

Science fiction has imagined some pretty wild ideas about how the universe could work – from hidden extra dimensions in Interstellar to life as a mental projection in The Matrix. But these…

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Does the Brain Use More Energy During Particular Activities?

Claude Messier, a psychology professor at the University of Ottawa in Ontario, and Alexandria Béland-Millar, a Ph.D. candidate in his laboratory, respond: 

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More Than Half of World’s Deaths Still Have No Recorded Cause

WHO says these data gaps make policymaking difficult

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Secretary of State Gives Nod to Climate Action at Arctic Meeting

Rex Tillerson signed an agreement recognizing the Paris climate accord, but said the president was not rushing to make a decision on whether to leave the pact

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Airline Laptop Ban Could Be Extended to Flights from Europe

The Department of Homeland Security is weighing the possibility of expanding a ban on electronics larger than cell phones aboard U.S.-bound aircraft

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Resolution to Revoke Obama-Era Environmental Rules Fails in Senate

The vote is a blow to the Trump administration’s attempts to repeal regulations on the oil and gas industry

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U.S. Life Expectancy Varies Significantly Based on Location

The average American lifespan is rising, but big disparities among different areas remain

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U.S. House Passes Republican Health Bill, a Step Toward Obamacare Repeal

There will now be a tough fight in the Senate

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Growing Antarctic Crack Primes Delaware-Size Iceberg

The new fissure has turned toward the ice shelf’s ocean edge, potentially speeding up the iceberg’s process of breaking off

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Readers Respond to the January 2017 Issue

Letters to the editor from the January 2017 issue of Scientific American

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Trump Order Could Remove Protections for National Monuments

The directive is part of a broader push to open up more federal lands to drilling, mining and other development

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Fragile Brain: Neurodegenerative Diseases

Brain disease such as Alzheimer’s and Parkinson’s affect an estimated one in six Americans and are increasing in incidence as the population ages. In this eBook, Fragile Brain:…

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Readers Respond to "Why Exercise May Be the Best Fit for Depression"

Letters about Scientific American Mind’s January/February 2017 issue 

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Trump Advisers to Debate Paris Climate Agreement

Group will decide whether to push for U.S. pullout from emission-cutting global pact

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What Does a Black Hole Really Look Like?

39-year-old drawing hints at what the Event Horizon Telescope may have just captured: the true shape of a black hole

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Japanese Automakers Look to Robots to Aid the Elderly

As car sales fall companies are looking to expand into the handicap assistance market

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Does Temporal Lobe Epilepsy Influence Personality?

Sallie Baxendale, a consultant neuropsychologist at the Institute of Neurology at University College London, explains

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