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'Jonathan' Is the Oldest Land Animal on Earth. He Could Hold the Secrets to Defying Death
404 Media's Becky Ferreira covers a Science Advances study that sequenced the genome of Jonathan, a roughly 194-year-old Aldabra giant tortoise on Saint Helena, and what the findings suggest about the genetics of extreme longevity, including how researchers obtained a sample and how the work could inform human healthspan research.
3 min · 671 words
What's Earth's dominant species by mass?
Signore Galilei works through biomass estimates to find which single species weighs the most: humans outweigh ants, cattle top the animals ahead of humans and Antarctic krill, sugar cane leads crops, and boreal trees such as black spruce and Dahurian larch hold billions of tonnes, far more carbon than all animals combined.
4 min · 935 words