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Ukrainian mathematician Maryna Viazovska has won the Fields Medal, a Nobel Prize for mathematics. She is the second woman ever to receive the medal. Maryna solved a 400-year-old sphere packing problem.
Today she is teaching at a math summer school at our university KSE 1/
时政
(
twitter.com
)
由
Tymofiy Mylovanov
提交
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"The medic who was trying to save my life was killed. A drone flew through the roof and made a hole in my back like a frying pan," the 27-year-old Ukrainian Defender shares.
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"The medic who was trying to save my life was killed. A drone flew through the roof and made a hole in my back like a frying pan," the 27-year-old Ukrainian Defender shares.
The Defender was hit by a mine. He lost part of his leg, so a team of paramedics immediately took him to…
时政
(
twitter.com)
00:00:27
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