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Does a new genetic analysis finally reveal the identity of Jack the Ripper?
Forensic scientists say they have finally identified Jack the Ripper, the notorious serial killer who terrorized the streets of London more than a century ago. Genetic tests published this week point to Aaron Kosminski, a Polish barber who was 23 and a prime police suspect when the murders were committed in 1888. But critics say the evidence isn’t strong enough to declare this case closed.
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World - Reefs - Wither - Face - Temperatures
As the world’s coral reefs wither in the face of rising temperatures, scientists in Australia are working to give corals a genetic helping hand. Strategies considered radical and intrusive even 5 years ago are now the subject of ambitious research initiatives, such as the National Sea Simulator in Townsville, Australia, a $25 million facility nestled in eucalyptus-lined hills on the shore of the Coral Sea. The goal is to find ways to tweak coral to help them resist bleaching—a potentially fatal condition triggered by underwater heat waves. But the work faces questions of whether it’s technically feasible, and whether such genetic tinkering in a wild ecosystem might have unexpected consequences.
Karen Uhlenbeck has won the 2019 Abel Prize,...
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