Elderly people with frailty, which affects up to one-quarter of over-50s, increased their endurance after a single dose of stem cells.
Madeleine Finlay sits down with science editor Ian Sample and science correspondent Nicola Davis to discuss three eye-catching stories, including the impact of a powerful psychedelic on depression, answers on the death of Russian opposition leader Alexei Navalny, and an explanation to the mystery of why humans have chins
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But when her mission finally took to the skies in 2005, the nightmare scenario happened again. A chunk of foam broke away during launch.
Никита Абрамов (Редактор отдела «Россия»)