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Archives by: Sarah Zhang

Sarah Zhang

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How to Get Scotch Tape off of a Work of Art
Sticky tape was first invented in the mid-19th century, and it’s been making conservators’ lives hell ever since. “Tape is the bane of the conservator’s existence,” says Margaret ...

The Coming Wave of Murders Solved by Genealogy
Just three weeks ago, law enforcement in California announced the arrest of the Golden State Killer using DNA. The press conference was vague, but the details of the ...

Is Salt Bad? A Prison Study May Hold the Answer
There is a lot to fight over in the vagaries of dietary science, but possibly nothing has been as contentious or as longstanding as the salt wars. For ...

The Origins of the Killer Fungus Driving Frogs to Extinction
The arrival of a chytrid fungus can herald nothing short of catastrophe. In the past few decades, one particular type of the fungus, Batrachochytrium dendrobatidis, or Bd, has ...

The Oldest Virus Ever Sequenced Comes From a 7,000-Year-Old Tooth
Seven thousand years ago, in a valley that is today central Germany, a young man lied down to die. He was 25 or 30, and a farmer most ...

Updated on April 27 12:45 p.m. ET. When the East Area Rapist broke into the home of his first victim in 1976, human DNA had not yet been ...

23andMe Wants Its DNA Data to Be Less White
23andMe is best known for selling DNA test kits, but the company’s real value lies in the data of its 5 million customers. The bigger its genetic database, ...

The Surgeon Who Experimented on Slaves
Their names—at least the ones we know—were Lucy, Anarcha, and Betsey. There were other women, but their identities have been forgotten. The man whose name appears in medical ...

All of the World’s Yeast Probably Originated in China
When scientists in France set out to sequence 1,000 yeast genomes, they looked at strains from all the places you might expect: beer, bread, wine. But also: sewage, ...

The Twice-Transplanted Kidney
Vertis Boyce got the call from her transplant surgeon last July. We have a kidney for you, Jeffrey Veale explained on the phone, but it has an unusual ...