North America

Science, Tech & Environment

Environmental detectives are using DNA to track invasive species

In our increasingly globalized society, when people travel the tend to bring things home with them, whether they mean to or not: microbes, aquatic species, insects, plants. Many of these are harmless, but some wreak economic havoc, and, like the recent Ebola virus, lead to nationwide panic and fear. As in so many other realms, DNA analysis may provide some ways to better combat these problems.

Science, Tech & Environment

Geo answer

The answer to the Geo Quiz is the Yucatan Peninsula in the Gulf of Mexico. Graduate students Antonio Seliz and Jill Deppe regularly travel there to study birds and they sent us this audio-postcard.