All 2.3 Million Species Are Mapped into a Single Circle of Life
Lineages of all known species on Earth are finally pieced together
Stories by Mark Fischetti
From AI to Zika: AAAS Conference Highlights
Scientific American editors Mark Fischetti, Dina Maron and Seth Fletcher talk about the info they picked up at the just-concluded annual meeting of the American Association for the Advancement of Science in Washington, D.C...
U.S. Coal Production Hits 30-Year Low
After a high in 2008 output, exports have plummeted
Ask the Experts: Is El Niño to Blame for So Much Weird Weather?
Winter heat, pounding rains, tornadoes—a climatologist explains which extremes can be attributed to El Niño and which cannot
Men and Women Alter a Home's Bacteria Differently
An analysis of dust reveals how the presence of men, women, dogs and cats affects the variety of bacteria in a household
139 Countries Could Get All of their Power from Renewable Sources
Energy from wind, water and sun would eliminate nuclear and fossil fuels
Meet PlankZooka, the Deep-Sea Plankton Vacuum
The new sampler sucks up the tiny creatures without tearing them apart
Invasive Plants Are Moving from the Northern Hemisphere South
Intrusive plants tend to originate in the Northern Hemisphere
Hurricane Patricia Rapidly Becomes Strongest Storm Ever in Western Hemisphere
Top wind speed is much greater than Hurricanes Katrina or Sandy
The East Coast Is Extremely Vulnerable to Hurricane Flooding
Our map shows low-lying at-risk cities and coastlines everywhere, many of them sinking
China and the U.S. Are Not the Biggest Carbon Emitters on a Per-Person Basis
Per capita, the world's greatest carbon emitters are small countries
CO2 Emissions Shrink, in a Few Cases
A handful of countries are actually lowering their emissions per person
Pope Says Science Can Solve "Serious Problems Besetting Mankind"
Calls on world leaders to respect the "right of the environment"
![Einstein in the Wild: We Found Him [Slide Show]](https://static.scientificamerican.com/sciam/cache/file/2B0FE5B0-202C-4D44-9843F47EA56B5ECA_agenda.jpg?w=275&h=154&fit=crop)
Einstein in the Wild: We Found Him [Slide Show]
Readers across the globe sent us photos of the rock star scientist
Is New Orleans Safer Today Than When Katrina Hit 10 Years Ago?
People inside the city walls are more protected against flooding, for now, but residents outside the city are not
Mississippi River Mouth Must Be Abandoned to Save New Orleans from Next Hurricane Katrina
Three nationwide design teams reveal realistic plans to massively rebuild the disintegrating delta
Einstein in the Wild: Have You Seen Him?
Send us photos in honor of the 100th anniversary of general relativity
Graphic Science: A World of Food, Delivered to America's Doorstep
U.S. imports of fruits and vegetables are on the rise—especially avocados from Mexico
