National Jewish Health

Space Exploration

Astronomers estimate Titan's largest sea is 1,000-feet deep

Far below the gaseous atmospheric shroud on Saturn's largest moon, Titan, lies Kraken Mare, a sea of liquid methane. Cornell University astronomers have estimated that sea to be at least 1,000-feet deep near its center—enough ...

Plants & Animals

Snake sex chromosomes say less about sex and more about survival

Sex-specific chromosomes are a dangerous place to be, if you're a gene. Because these chromosomes—Y chromosomes, in humans—do not have a matching chromosome with which to exchange genetic information, they are prone to ...

Computer Sciences



Diseases, Conditions, Syndromes

Why older adults must go to the front of the vaccine line

Vaccinating older adults for COVID-19 first will save substantially more U.S. lives than prioritizing other age groups, and the slower the vaccine rollout and more widespread the virus, the more critical it is to bring them ...


Solar system formation in two steps

An international team of researchers from the University of Oxford, LMU Munich, ETH Zurich, BGI Bayreuth, and the University of Zurich discovered that a two-step formation process of the early Solar System can explain the ...

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