21/07/2021

Fire tornadoes explained

The roaring Bootleg Fire burning up swaths of southwestern Oregon is the nation's largest wildfire so far this year and intense enough that it's triggering weather phenomena, including lightning, massive columns of smoke ...

Examining the food chains controlling invasive marine species

A landmark scientific study involving marine biologists from Greece, Turkey, Cyprus, Libya, Italy, Tunisia, the UK, the US and Malta documenting instances where native Mediterranean species have preyed upon two highly invasive ...

A new key for species identification in salt marsh harvest mice

It's hard to save what you can't identify. That's been a problem for the endangered salt marsh harvest mouse, which is found only in the salty, brackish waters of the San Francisco Bay area. The mouse competes for space with ...

Synthesizing aryl sulfides from non-smelling, non-toxic compounds

Aryl sulfide, an aromatic compound in which sulfur is attached to an aryl (a functional group derived from an aromatic ring), is found in biologically active materials effective against asthma, Alzheimer's disease, and cancer. ...

Thumb-sized device quickly 'sniffs out' bad breath

No one wants bad breath—not when visiting friends and family, at a job interview, and especially not on a first date. Smelly breath can make things awkward, but it also is a natural warning sign, indicating that serious ...

Scientists analyze how the pandemic affected air quality

The coronavirus pandemic has changed the way we live, and several studies have documented how those widespread changes in human behavior have impacted the environment. NASA scientists and others using data from NASA and our ...

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