Simply speaking while infected can potentially spread COVID-19

COVID-19 can spread from asymptomatic but infected people through small aerosol droplets in their exhaled breath. Most studies of the flow of exhaled air have focused on coughing or sneezing, which can send aerosols flying ...

Deforestation is stressing mammals out

Lots of us are feeling pretty anxious about the destruction of the natural world. It turns out, humans aren't the only ones stressing out—by analyzing hormones that accumulate in fur, researchers found that rodents and ...

In search of stable liquids

Most liquids are in suspension. Particles too small to see by naked eye swirl everywhere as gravity and temperature changes move them around. Keeping liquids from separating can be a hassle for the foods we buy in the supermarket, ...

Do as the Romans: Power plant concrete strengthens with time

A rare mineral that has allowed Roman concrete marine barriers to survive for more than 2,000 years has been found in the thick concrete walls of a decommissioned nuclear power plant in Japan. The formation of aluminous tobermorite ...

Ocean acidification is transforming California mussel shells

The large mollusk known as the California mussel makes its home in the rocky shoreline along the Pacific Coast from Mexico to Alaska. Considered a "foundational" animal, Mytilus californianus provides homes for hundreds of ...

Tiny treetop flowers foster incredible beetle biodiversity

Biologist have long known that rainforest treetops support a huge number of beetle species, but why these canopies are so rich in beetle diversity has remained a mystery. New research by my colleague Susan Kirmse and me shows ...

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