Reuters Science News Summary

Following is a summary of current science news briefs. Deep-sea microbe sheds light on primordial evolutionary milestone

A microorganism scooped up in deep-sea mud off Japan's coast has helped scientists unlock the mystery of one of the watershed evolutionary events for life on Earth: the transition from the simple cells that first colonized the planet to complex cellular life - fungi, plants and animals including people. Researchers said on Wednesday they were able to study the biology of the microorganism, retrieved from depths of about 1.5 miles (2.5 km), after coaxing it to grow in the laboratory. They named it Prometheoarchaeum syntrophicum, referring to the Greek mythological figure Prometheus who created humankind from clay and stole fire from the gods. Brain freeze: Russian firm offers path to immortality for a fee

When Alexei Voronenkov's 70-year-old mother passed away, he paid to have her brain frozen and stored in the hope breakthroughs in science will one day be able to bring her back to life. It is one of 71 brains and human cadavers - which Russian company KrioRus calls its "patients" - floating in liquid nitrogen in one of several metres-tall vats in a corrugated metal shed outside Moscow.

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