Trying to liven up your ghosts and goblins this Halloween? Windell Oskay, cofounder of Mad Evil Scientist, shares homemade hack ideas for a festive fright fest, from LED jack-o'-lanterns, to 3D printed candy, to spooky specimen jars.
This is SCIENCE FRIDAY. I'm Ira Flatow. According to the population institute, it took only 14 years, from 1999 to today, for the global population to increase by one billion people, just 14 years. Every four and a half days we add another million people. That's adding a city the size of Dallas. Is this sustainable? Can the population of the Earth continue to grow and still supply the people on it with the raw essentials they need, like food, housing, shelter?
Recent revelations about the extent of NSA surveillance have put even the standards by which encryption systems are designed into question. Encryption experts Matthew Green, Phillip Zimmerman, and Martin Hellman discuss what makes a code secure and the limits of privacy in the modern age.
Soil collected last year by the Mars rover Curiosity may contain two percent water, researchers report. Laurie Leshin of Rensselaer Polytechnic Institute describes what else the rover is finding in the soil, and what that information might mean for future expeditions to Mars.
Dawn Burke had always thought of rats as filthy animals, she says, until her neighbor introduced her to his "soft and cuddly" pet rats. Years later, she stopped by a pet shop on a whim — and ended up coming home with a rat of her own.
From there, says Dawn's husband, Don Burke, "it grew very quickly from one rat to 72." Before long, the couple had opened a rat sanctuary in their home in Boise, Idaho.
You could do all that brain work. Or you could make it up.
Many online journals are ready to publish bad research in exchange for a credit card number.
That's the conclusion of an elaborate sting carried out by Science, a leading mainline journal. The result should trouble doctors, patients, policymakers and anyone who has a stake in the integrity of science (and who doesn't?).
The business model of these "predatory publishers" is a scientific version of those phishes from Nigerians who want help transferring a few million dollars into your bank account.