Science

Carbon Offset Plan Allows Businesses to Trade Environmental ‘Credit’

As scientists debate how to address climate change, one proposal for businesses creates a carbon credit system that allows emission producing companies to buy credits from companies that use energy efficient technologies as a way to offset overall environmental impact.

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NASA Orbiter Reveals Avalanches on Mars

By PBS News Hour

A NASA spacecraft orbiting Mars has sent back the first-ever images of avalanches on the red planet, NASA announced Monday.

Researchers Near Completion of Complex Corn Genome

By PBS News Hour

Researchers announced Thursday that they had completed a "rough-draft" map of the corn genome -- a step they say will help scientists engineer better corn.

New Technology Improves Care for Wounded Troops

Drawing on new technologies as well as lessons learned in Iraq, the U.S. military is using both new technology and improved methods to treat wounded soldiers, leading to higher survival rates overall. Tom Bearden reports on these advances.

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Florida Schools Will Teach Evolution, but with ‘Theory’ Caveat

By PBS News Hour

The Florida Board of Education has approved new science standards that explicitly include the word 'evolution' for the first time, but last-minute revisions kindled controversy over religious and political tinkering in the science classroom.

Pittsburgh Museum Reinvents Model of Dinosaur Exhibit

The Carnegie Museum of Natural History in Pittsburgh renovated its dinosaur exhibit to provide a more realistic picture of how dinosaurs lived and interacted with one another more than 100 million years ago.

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Sony’s Blu-ray Wins DVD ‘Format War’ over Rival Toshiba

Toshiba said Tuesday that it would stop developing its own high-definition DVD player, known as HD DVD, leaving the market to Sony's Blu-ray format. The Wall Street Journal's technology columnist explains the move and its likely impact on consumers.

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Astronomers Discover Solar System That Might Mimic Our Own

By PBS News Hour

A global team of professional and amateur astronomers has found a solar system thousands of light years away that looks like a scaled-down version of our own.

2 Flesh-Eating Dinosaur Species Discovered

By PBS News Hour

Two new and unusual dinosaur species have been discovered in Africa, scientists announced Wednesday.

‘Bradley Effect’ May Continue to Complicate Election Polls, Researchers Suggest

By PBS News Hour

Going into the New Hampshire Democratic primary last month, Sen. Barack Obama seemed to have a commanding lead over Sen. Hillary Clinton -- pre-election polls showed him some nine points ahead.