What’s Causing the Rise of Hoarding Disorder?
Now that the DSM lists severe hoarding as a disorder apart from OCD, psychologists are asking what explains its prevalence.
Editors’ Picks 2018: Sustainability and the Environment
Wildfires in California, floods in Venice, robot-bees, and cows that mitigate climate change.
To Fight Fake News, Broaden Your Social Circle
Fake news is spread through online communities that become echo-chambers of like-minded ideas. What's your online community like?
Does Organic Agriculture Contribute to Climate Change?
Organic agriculture seems like it would be better for the environment than conventional. But a new study suggests it produces more carbon dioxide.
Give These Adorable Seals More Privacy!
When viewing boats come too close, seals and their pups stampede into the water. Scientists say it exhausts the animals.
Our Sinking Cities
From Venice to Tehran to Shanghai, many cities are steadily sinking into the earth. There might not be any way to stop it.
Facts and Fancies About Amber
It's taken scientists a long time to figure out what amber is made of, and what we can learn from it.
Can a Supernova Cause Mass Extinction?
Since the 1950s, scientists have been proposing supernovae as catalysts for mass extinctions. But can it be proven?
How Far Does the Periodic Table Go?
Efforts to fill the periodic table raise questions of special relativity that “strike at the very heart of chemistry as a discipline.”