A research team in China has attempted to modify human embryos so that they harbor inactivated CCR5 genes and are resistant to HIV infection, Nature News reports. CCR5 encodes a protein that HIV relies on to enter and infect T cells, and people with naturally occurring CCR5Δ32 mutations are resistant to the virus.

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New results from the NASA Twins Study indicate that the immune system may rev up when in space, the Washington Post reports.

Kelvin Droegemeier, the new science advisor, spoke at the American Association for the Advancement of Science meeting, Geekwire reports.

In PNAS this week: whole-genome assembly for the white shark, paper-based microfluidic method for detecting the malaria parasite, and more.

The World Health Organization has announced the members of its gene-editing committee, according to NPR.