Joe Palca appears in the following:
Saturday, February 18, 2017
Astronomers think there's an undiscovered planet lurking in the far reaches of the solar system, and they're asking the public's help to find it.
Thursday, February 09, 2017
Carmen Bachmann, a professor in Leipzig, is building an online network to help political refugees who are scientists or social scientists connect with professional peers in Germany — their new home.
Sunday, February 05, 2017
The Trump administration's travel ban is preventing some researchers from returning to the U.S. Scientists fear this could negatively impact collaborations and international scientific meetings.
Wednesday, January 04, 2017
Anthropologists in Germany say they may not need old bones to recover ancient DNA. They just analyze dust from the floor of caves where Neanderthals and other now-extinct human relatives once resided.
Tuesday, January 03, 2017
Ninety young Syrian refugees are teaming up with neuroscientists in Leipzig to figure out the quickest and best way to teach German as a second language. Vocabulary first, or grammar early on, too?
Thursday, December 29, 2016
Scientists will search the sky Thursday for an undiscovered planet in the outer solar system — they're pretty sure it's out there, and computer models tell them where to look.
Friday, December 09, 2016
Graphene comes in sheets barely an atom thick and is extremely good at conducting electricity. By adding the unusual form of carbon to Silly Putty, scientists created flexible sensors.
Monday, November 28, 2016
The James Webb Space Telescope is undergoing its final series of tests in NASA workshops. It's designed to take even grander images than the Hubble telescope. But deploying it will be a major feat.
Sunday, October 30, 2016
A space rock zipped by Earth on Sunday night. Astronomers knew it didn't pose a threat, in part thanks to a new automated warning program called Scout.
Tuesday, October 11, 2016
The object known for now as 2014 UZ224 is only about 330 miles across and takes 1,100 years to orbit the sun. But one of the most interesting things about it is the way researchers found it.
Tuesday, October 04, 2016
Molecular biologist Monica Dus is studying fruit flies to understand how a high sugar diet affects the brain and leads to overeating and obesity. And she just won a big grant to dig deeper.
Monday, October 03, 2016
In 1975, the Personal Rapid Transit in Morgantown, W.Va., was expected to usher in a new age of public transit nationally. It didn't. Still, the aging system is getting a $100-million upgrade.
Sunday, September 04, 2016
Alex Longo hopes to be the first person to walk on Mars. In the meantime, the Raleigh, N.C., sophomore has suggested a landing site for the next rover mission. His pick is one of four finalists.
Friday, September 02, 2016
"It's bluer in color up there than other parts of the planet, and there are a lot of storms," a Juno mission leader says of the gas giant's northern reaches.
Saturday, August 13, 2016
Earlier this year, a pair of scientists predicted the existence of a ninth planet based on computer modeling of the solar system. This fall, the race is on to be the first to spot it in a telescope.
Tuesday, August 09, 2016
Many of the most powerful antibiotics have lost their punch. Some Stanford students think they've found a different way to attack bacteria that the germs can't overcome.
Monday, August 08, 2016
"There's something about waves that can get you into kind of a mental funk," one philosopher says. For NPR's summer science series, Joe Palca tries to answer the big question: What is a wave?
Wednesday, July 27, 2016
Scientists in Germany have found a potentially powerful antibiotic that can kill dangerous bacteria. Maybe the most impressive thing about the new compound is where scientists found it: the human nose.
Wednesday, July 13, 2016
The color image shows Jupiter's giant red spot and three of its moons: Io, Europa and Ganymede.
Sunday, July 03, 2016
Space navigation is tricky. There's no up or down, no left or right, and no road signs. This device uses stars to help determine if a spacecraft is off course. It takes nifty pictures, too.