Why Climate Scientists Support Geoengineering Research

Ronald Prinn, a professor of atmospheric science and the director of the center for global change science at MIT, says why climate scientists have started to change their minds about geoengineering.

How Rocks Capture Carbon Dioxide

Peter Kelemen, a professor of earth and environmental sciences at Columbia University, describes how to capture and store carbon dioxide by speeding up a reaction found naturally in certain rocks.

Searching Unstructured Data

Mike Lynch, cofounder and chief executive of Autonomy, talks about how to search unstructured data and explains his company’s technology.

Nervy Repair Job

Douglas Smith, a professor of neurosurgery at the University of Pennsylvania, explains how his new nerve stretching technique works to grow artificial nerve transplants.

Playing the Angles

Playing the Angles

Playing the Angles

How to Photograph the Earth

MIT students, Oliver Yeh and Justin Lee, explain, build, and demonstrate their device that takes pictures of the Earth for less than $150.

Synthetics Stop the Bleeding

Biomedical engineer Erin Lavik discusses her research developing nanoparticles that promotes blood clotting.

The Democrats' New Weapon

Watch Mark Sullivan, cofounder of Voter Activation Network, demonstrate a new voter database mapping interface called turf-cutter, which helps campaigns quickly divide territory before sending canvassers to knock on doors.