Science

Ian Tattersall on 'Masters of the Planet'
In 'Masters of the Planet,' Ian Tattersall takes us back 50,000 years to a moment when Homo sapiens were battling other human species to survive. Using fossils and other evidence, Tattersall tells the story of how our species has survived 200,000 years, while the others became extinct.
App scans faces of bar patrons to guess age, gender
A new app scans the faces of people in bars to determine their ages and genders. Would-be customers can get real-time updates on the crowd to decide whether the scene is to their liking.
A new American expansion, this time in the digital realm
Today, almost two centuries after the term "manifest destiny" was coined, American expansionism is playing out vigorously at society's latest cutting edge: the social space of the Internet.
Rocket, weather look good on eve of new space era
NASA hasn't seen this much launch jitters since the space shuttle program ended last summer. Today, a private company was set to make history by launching a capsule loaded with supplies to the International Space Station.
NPR's Ted Radio Hour: 'Our Buggy Brain'
Our amazing brain, with all of its harmonious functions, also performs any number of peculiar actions, which we might find unexpected and counterintuitive. What tricks do our minds play when we think it's OK to lie, cheat, or steal? How in control are we of our own decisions? And why do our brains systematically misjudge what will make us happy?
How fixed are our moral beliefs? Can these beliefs be reduced to neurochemistry? While we may believe that our moral principles are rigid and based on rational motives, psychological and neuroscientific research is starting to demonstrate that this might not actually be the case.
Astronomical overload: How will we study new data on universe?
The amount of data we have on the universe is doubling every year with new telescopes and better detection. Many astronomers are now worried that we are accumulating more data than we can examine.
How tweens behave online
With the rise of social media, it's harder than ever to keep an eye on a kid's activities online. There are now sites that work to help parents stay involved with their tweens' online lives by creating kid-tested, mother-approved social media outlets.
Facebook is updating its data use policy in an attempt to give people more clarity on how the company uses information they share.
NPR reporter Tom Gjelten joins The Daily Circuit Thursday to talk about a new series airing this week on the new cyber frontlines.