A Liberian woman contracted Ebola in March by having sex with a survivor of the viral disease, researchers report. Using studies of both people’s viral genomes and of the people’s contacts with any other possible sources of the virus, the researchers conclude that the woman’s disease represents the first known case of sexual transmission of Ebola.
For the first time, scientists have precisely captured a map of the boisterous bang radiating from a lightning strike. The work could reveal the energies involved in powering some of nature’s flashiest light shows. All it took was a kevlar-coated copper wire launched into an electrically charged cloud using a small rocket.
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