Video: Why isn't weed killer working anymore?

Farmers used to worry about weeds. Then, herbicides solved that problem. At least for a while. In 1997, there were 432 new patents for herbicides; by 2009, there were only 65.

The thermodynamics of life taking shape

Revealing the scientific laws that govern our world is often considered the "holy grail" by scientists, as such discoveries have wide-ranging implications. In an exciting development from Japan, scientists have shown how ...

A year in the life of the mouse lemur

Animals in the wild may not have an annual planner to keep track of the year, but they nonetheless manage to keep to a strict calendar—for example knowing just what time of the year to breed and when to hibernate. Research ...

Female urinary tract lactobaccilli can kill pathogenic bacteria

Lactobacilli that live in the human female urinary tract's microbiome are competitive and kill nearby pathogenic bacteria, according to the first study of its kind by a team led by microbiologist Dr. Tanya Sysoeva of The ...

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