Your showerhead slime is alive—and mostly harmless

The day after Halloween, something scary may still lurk inside your showerhead. Researchers at CIRES have identified Mycobacterium as the most abundant genus of bacteria growing in the slimy "biofilm" that lines the inside ...

Breathing better may be an added benefit of biodiversity

A Forest Service study of nearly 50,000 children in New Zealand has found that those who live in greener neighborhoods are less likely to develop asthma. However, not all greenness is a good thing—children living in areas ...

How do kangaroos breathe while they hop?

If you hop like a kangaroo, you might be able feel the air being pushed out of your lungs. Here's why it happens and why it matters.

This US wildfire season is among the worst: Here's why

Acrid yellow smoke clogs the skies of major Western U.S. cities, a human-caused fire in the Columbia River Gorge rains ash on Portland, Oregon, and a century-old backcountry chalet burns to the ground in Montana's Glacier ...

Protein transport channel offers new target for thwarting pathogen

A bacterium that attacks people suffering from chronic lung disease and compromised immune systems could be halted by disrupting the distribution channels the organism uses to access the nutrient-rich cytoplasm of its host ...

Researchers engineer new thyroid cells

Researchers have discovered a new efficient way to generate thyroid cells, known as thyrocytes, using genetically modified embryonic stem cells.

Nanoparticle exposure can awaken dormant viruses in the lungs

Nanoparticles from combustion engines can activate viruses that are dormant in in lung tissue cells. This is the result of a study by researchers of Helmholtz Zentrum München, a partner in the German Center for Lung Research ...

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