NASA experiment suggests need to dig deep for evidence of

NASA's Curiosity Mars rover took this selfie at...

Acne Inflammation Discovery Could Lead to New Treatments

If pimples are caused by oily skin, why doesn't a good washing prevent all breakouts? A recent study offers an answer— and maybe a new line of defense. Pimples contain tiny and discrete bacterial infections. The...

Gut microbiome may alter response to cancer therapy

Since ancient times, our gut microbiome, home to a vast number of bacteria, viruses, fungi, and other microorganisms, has been thought to influence many aspects of human health. Most recently, sequencing technology has shown that it may also play...

Researchers study plants sprouting from century-old seeds after excavation

Forestry PhD candidate Melanie Sifton examines soil recovered...

Militia Expert Warns Trump’s Capitol Insurrectionists Could Try Again

Editor’s Note (6/14/22): The current hearings on the January 6, 2021, insurrection, held by a U.S. House of Representatives committee, have highlighted ties between mainstream supporters of former president Donald Trump and extremist groups in the mob that invaded...

Seven hours of sleep is optimal in middle and old

Seven hours is the ideal amount of sleep for people in their middle age and upwards, with too little or too much little sleep associated with poorer cognitive performance and mental health, say researchers from the University of Cambridge...

Destiny of science modeled and explained in new study

Credit: CC0 Public Domain ...

Surprise solar storm with ‘disruptive potential’ slams into Earth

A stream of supercharged particles from the sun recently crashed into Earth with no prior warning. (Image credit: Shutterstock) (opens in new tab)Scientists were recently left scratching their heads after a "potentially disruptive" solar storm smashed into Earth without...

Record-Breaking Voyager Spacecraft Begin to Power Down

If the stars hadn't aligned, two of the most remarkable spacecraft ever launched never would have gotten off the ground. In this case, the stars were actually planets—the four largest in the solar system. Some 60 years ago they...

Behind Every Smile

Credit: Scientific American MIND, July/August 2022Advertisement A fascinating study was published in 2015 showing that in cultures with higher rates of immigration, its citizens tended to smile more. Presumably among people who speak an array of languages, nonverbal...

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