Scientists find evidence of salt water flowing on Mars
Big news today about the red planet: Scientists have found the best evidence yet that water may exist during the spring and summer on the planet’s surface. Researchers using the HiRISE instrument in...
View ArticleReimagining the lost world of North America 14,000 years ago
Dinosaurs didn’t roam the land, but woolly mammoths, mastodons and saber-toothed tigers did. This was the landscape of North America some 14,000 years ago as the glaciers finally began to melt. Until...
View ArticleInterview: How vulnerable is the U.S. to biological threats?
In June the Texas A&M System won a huge federal contract to become one of the nation’s major hubs of vaccine production and bioterror preparedness. Over an expected lifetime of 25 years the federal...
View ArticleThanks to the Aggies, Texas may have its opening to become a biotech hub
Some eight years ago I wrote a long piece in the Chronicle that detailed the region’s desultory efforts to create a hub of biotechnology. While Texas in general, and Houston in particular, has...
View ArticleWhere the heck is dark matter? The initial run of a fancy new xenon...
For scientists, dark matter is an elusive prey. Physicists believe dark matter makes up about 27 percent of the universe, but they have never directly observed it. Scientists think particles they call...
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