17 January 2011, 04:56 AM ET
A planetary scientist investigating the possible migration of Uranus and Neptune answers questions about his work
03 January 2011, 12:29 PM ET
World-renowned geographer Michael Goodchild, director of the University of California, Santa Barbara's Center for Spatial Studies, says that geographic information systems (GIS) are causing seismic shifts in how we understand the world.
03 January 2011, 10:36 AM ET
A world-renowned geographer discusses the changing faces of geographic information systems or GIS.
20 December 2010, 10:27 AM ET
A paleontologist reveals the origins of anatomy for birds, dinosaurs and crocodiles.
09 December 2010, 11:51 AM ET
Natalie Munro studies the remains of animals left by prehistoric humans, recently including tortoise shells left by shamans.
02 December 2010, 08:06 AM ET
Former physicist Paul Horwitz explores how computers can be used to teach difficult concepts in science and math.
29 November 2010, 04:03 AM ET
The brain needs learning, memory and attention to do everything from typing to playing the guitar
22 November 2010, 09:22 AM ET
Social interaction allows kids to pick up math and science skills, a brain researcher says
12 November 2010, 11:14 AM ET
This researcher enjoys flintknapping and built his own apartment lab space so that he could blast music while working
08 November 2010, 03:21 AM ET
A computer modeler investigates the different forces acting on global environmental problems
29 October 2010, 04:20 AM ET
A researcher's day job involves tracking the smallest and fastest particles ever seen.
22 October 2010, 03:57 AM ET
An engineer investigates electric signals given off by dividing cancer cells
15 October 2010, 02:19 AM ET
A market designer finds the best systems for everything from organ donation to high school assignments.
08 October 2010, 05:52 AM ET
A microbiologist tries to learn bioenergy efficiency from leafcutter ants that farm fungus.
01 October 2010, 10:46 AM ET
Karen O’Neil's scientific career began with a bang as a young child.
24 September 2010, 09:53 AM ET
A meteorologist aims to better predict the weather to make travel safer and boost wind energy.
16 September 2010, 07:00 AM ET
A neuroscientist studies how humans and primates sense inequality.
09 September 2010, 12:27 PM ET
Quantum jumps create a blinking state that may allow researchers to image cancer cells or viral infections.
02 September 2010, 10:30 AM ET
A researcher looks to plant photosynthesis as inspiration to harness the power of the sun.
26 August 2010, 07:19 AM ET
Engineer Kathleen Sienko investigates ways for people with trouble balancing to navigate the world using sensory augmentation.
19 August 2010, 06:09 AM ET
Jonathan Hickman uses his creative approach to science to study ecology.
12 August 2010, 12:23 PM ET
Gummy mucilage found within prickly pear cactus could help purify water.
05 August 2010, 06:09 AM ET
Jeremy Boyce studies mineral apatite to learn more about the magmatic processes of volcanoes.
29 July 2010, 05:38 AM ET
An experimental psychologist studies all forms of motion sickness, including cybersickness – a phenomenon that occurs in virtual reality environments such as those displayed by 3D movies.
22 July 2010, 05:38 AM ET
Kathryn Johnson explores how to maximize the energy of wind turbines, making them more efficient and cost-effective.
14 July 2010, 12:16 PM ET
TRX navigation technology picks up where GPS leaves off – safeguarding personnel indoors, underground, and in other GPS-denied areas.
12 July 2010, 12:40 PM ET
An environmental engineer harnesses microbes in fuel cells that can create clean water and sustainable energy.
01 July 2010, 09:38 AM ET
David Reznick studies guppy populations to answer questions about evolution and the environment.
23 June 2010, 09:48 AM ET
A geology scientist seeks to understand how faults slip and the landscape is sculpted.
17 June 2010, 11:19 AM ET
Eric Williams takes on the challenge of global e-waste.
10 June 2010, 04:59 PM ET
Itai Cohen studies all kinds of motion, from hovering flies to darting atomic particles.
02 June 2010, 08:49 AM ET
Ed Boyden studies the control mechanism behind neural circuits in order to understand how cognition and emotion arise.
27 May 2010, 05:27 AM ET
Tony Goldberg tracks infectious diseases, including West Nile virus.
19 May 2010, 09:21 AM ET
Gary Wells is an expert in scientific psychology and eyewitness memory.
12 May 2010, 12:06 PM ET
Dan Kahan studies how group values shape perceptions of risks and benefits.
05 May 2010, 10:42 AM ET
Andrew Freed recently returned from Haiti, where he has been studying the stresses in Earth's crust before, during and after the earthquake.