This is TALK OF THE NATION. I'm Neal Conan in Washington. When you looked in the closet this morning, what did you pick out, and why? The power suit, the blouse that fits just right, the jeans and the boots? Even if you wear a uniform or overalls, we all make decisions about what we look like and why. Hair says a lot. So do accessories. But any message is also open to misinterpretation. What we hope to say doesn't always come across that way.
This is TALK OF THE NATION. I'm Neal Conan. After the war in Vietnam, the U.S. military changed in profound ways. A conscript force became all volunteer. Congress changed the rules to force much more extensive use of the National Guard in any future conflict. Training and equipment emphasized fighting at night. And technology made blunt instruments like aerial bombing far more precise.
Every six months, one of my next guests ranks the 500 fastest computers in the world, the supercomputers, and back in November 2010, China took number one for the first time with a supercomputer called Milky Way 1. President Obama acknowledged China's feat in his State of the Union address a few months later and said we were facing a Sputnik moment.
This is SCIENCE FRIDAY, I'm Ira Flatow. If you have a smartphone, you might take the Internet for granted, right? It's always there. But around the world, some four and a half billion people still are not connected. Google, being in the Internet business, has a plan to expand its reach, bring Internet to all these people, but it's not by spooling out fiber-optic cable or building cell towers. It's using a technology that, well, sort of sounds like it belongs in another century: free-floating balloons. They call it Project Loon.
This is SCIENCE FRIDAY. I'm Ira Flatow. This week, researchers reported that they think they've spotted the tell-tale signs of a previously undiscovered, subatomic particle. This one was unusual because it appeared to be made of four quarks bound together, an arrangement they have never seen before. And they're not sure exactly how that arrangement might work.
This is SCIENCE FRIDAY. I'm Ira Flatow. In his long career studying ants, nature and ecology, E.O. Wilson has been no stranger to controversy. In the 1970s he was doused with water at a science meeting for presenting his theory on sociobiology. Another new evolutionary theory he introduced a few years ago on kin selection continues to be hotly debated.
OK. Maybe E. O. Wilson's comments in his new book, "Letters to a Young Scientist", essentially says you don't want to have to be great at math to have a career in science, but it can't hurt, right? And to be great at math, it pays to start young, and my next guest is a - has a plan for you. Laura Overdeck is the founder of Bedtime Math. Her mission: to make math friendlier in a way by introducing kids to math problems at an early age.