Articles by

Freda Kreier

DNA from Beethoven’s hair hints at what killed the composer

DNA from strands of Beethoven’s hair is helping to uncover what may have caused his death, researchers...

A hormone shot helped drunk mice sober up quickly

The only cure to being drunk is to wait it out. But that might not always be...

Chemical signals from fungi tell bark beetles which trees to infest

Fungi may help some tree-killer beetles turn a tree’s natural defense system against itself. The Eurasian spruce...

76 percent of well-known insects fall outside protected areas

The existing boundaries of national parks and other habitat preserves aren’t enough to protect more than three-quarters...

Fossils suggest early primates lived in a once-swampy Arctic

The Arctic today is a hostile place for most primates. But a series of fossils found since...

Indigenous people may have created the Amazon’s ‘dark earth’ on purpose

CHICAGO — Indigenous people in the Amazon may have been deliberately creating fertile soil for farming for...

Brain scans suggest the pandemic prematurely aged teens’ brains

Living through the COVID-19 pandemic may have matured teens’ brains beyond their years. From online schooling and...

A spider monkey’s remains tell a story of ancient diplomacy in the Americas

A sacrificed spider monkey is shedding new light on an ancient Mesoamerican relationship.  The remains of a...