science

JWST Spots Giant Black Holes All Over the Early Universe | Quanta Magazine ( www.quantamagazine.org )

Observations from the James Webb Space Telescope have revealed a surprising number of young galaxies containing massive black holes at their centers, churning up the gas within only a few hundred million years after the Big Bang. Spectroscopic data indicates that these “hidden little monsters” harbor black holes weighing...

Why and when was lactase persistence selected for? Insights from Central Asian herders and ancient DNA ( journals.plos.org )

The genetic adaptation of humans to the consumption of milk from dairying animals is one of the most emblematic cases of recent human evolution. While the phenotypic change under selection, lactase persistence (LP), is known, the evolutionary advantage conferred to persistent individuals remains obscure. One informative but...

Screen time linked with developmental delays, study finds | CNN ( www.cnn.com )

A study in JAMA Pediatrics found a relationship between screen time as a baby and developmental delays as a toddler. This draws more ground to further investigate the health effects of electronics usage by children and what types of media have detrimental effects on development.

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