Did You Hear About the Real-Life Invisibility Cloak?How Harry Potter and Star Trek influence—and sometimes frustrate—physicists.
Bombing the TestObama and Romney both get failing grades for their nuclear weapons policies.
The Dark-Matter AgesThe U.S. may be losing its place as the world leader in frontier physics research.
Cutting Carbon Dioxide Isn’t EnoughWe have to invest in technology to remove the CO2 already in the atmosphere.
How Close Are We to Doomsday?The Bulletin of the Atomic Scientists says we’re five minutes to midnight.
Whose Space-Exploration Policy Is Better—Obama’s or Romney’s?A close look at the candidates’ views on NASA, the International Space Station, and more.
A Quantum LeapThe discovery of the Higgs boson particle puts our understanding of nature on a new firm footing.
It’s Time for the U.S. To Finally Sign the Nuclear-Test-Ban TreatyA recent report removes all of the legitimate scientific objections to ratifying the agreement.
The End of the Death Penalty? Recent Supreme Court opinions suggest there are five votes to abolish capital punishment.
One Thing Primates of Park Avenue Definitely Doesn’t Exaggerate: The Obscene Power of Designer Purses
Geeking Out I write about some of the uglier aspects of humanity. Sometimes escapism is exactly what I need.
I Adore Chris Thile, but I Have Mixed Feelings About His Prairie Home Companion Hosting Gig
How Tough Are the Vaccination Laws in Your State? And how many children are protected from dangerous diseases?