My 30-Year Quitting Addiction

slate.com
my-30-year-quitting-addiction

This is part of Quit It, a series of essays on stopping things—or not. Four times out of five, when I tell a person that I don’t drink, that person responds by telling me how little they drink. Sometimes, they do … Read more

200-year old heat pump technology is back

yaleclimateconnections.org
200-year-old-heat-pump-technology-is-back

It was an engineering problem that had bugged Zhibin Yu for years — but now he had the perfect chance to fix it. Stuck at home during the first UK lockdown of the Covid-19 pandemic, the thermal engineer suddenly had all … Read more

DNA has a 521-year half-life (2012)

nature.com
dna-has-a-521-year-half-life-(2012)

Genetic material can’t be recovered from dinosaurs — but it lasts longer than thought. Palaeogeneticist Morten Allentoft used the bones of extinct moa birds to calculate the half-life of DNA. Credit: M. Møhl Few researchers have given credence to claims … Read more