Weekly Roundup

Conflicting with previous results, a new study supports the 5-second food rule.

The end may be nigh, according to a NASA-funded study of past complex civilizations employing both natural and social scientists. The paper, which will eventually be published in Ecological Economics, points to resource overexploitation and economic inequalities as the harbingers of doom, but offers a silver lining: structural changes or policy initiatives could stave off societal collapse.

Should parents ban handheld device use in children? Maybe not.

Rebekah Higgitt examines the many reactions, mostly negative, to the rebooted TV science program Cosmos: A Spacetime Odyssey‘s portrayal of Giordano Bruno from the history of science community.

Migraines and hangovers may now be curable, for about $300 each.

When high schools roll back their start times, results include better grades and fewer car crashes.

Following the recent removal of Asperger’s as a diagnostic category, a behavioural neurologist believes the ADHD label should be next to disappear.

Say goodbye to dessert: the WHO proposes limiting added sugars to 5% of caloric intake, or around 6 teaspoons of added sugar per day for the average person, halving their previous recommendation. But not to worry; if Virginia Tech professor Y.H. Percival Zhang’s research can scale up, we’ll all be eating starch from wood chips and other currently-inedible plant parts.

Gravitational waves have been discovered in the cosmic background radiation, which would confirm cosmic inflation theory. Here’s Ethan Siegel’s great breakdown, with diagrams.

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