Science News Roundup: SpaceX capsule splashes down, bringing 4 astronauts home after 6-month mission; Genome study offers hope for endangered lesser porpoise and more

Here is a summary of current scientific news.

Obesity can weaken vaccine protection; unvaccinated Omicron patients are at risk of variants

Here is a summary of some recent studies on COVID-19. They include research that deserves further study to substantiate the findings and that has not yet been certified by peer review. Obesity may weaken vaccine protection in people who have never been infected

SpaceX capsule splashes down, bringing 4 astronauts home after 6-month mission

The third team of long-duration astronauts launched by SpaceX to the International Space Station (ISS) returned safely to Earth early Friday, splashing down in the Gulf of Mexico off Florida to end months of orbital research ranging from space-grown peppers to robots. The SpaceX Crew Dragon capsule dubbed Endurance, carrying three American NASA astronauts and a German crewmate from the European Space Agency (ESA), parachuted into calm seas in darkness at the end of one more autonomous flight 23 hours from the ISS.

Genome study offers hope for endangered lesser porpoise

The most comprehensive genetic evaluation to date of the vaquita, the world’s rarest marine mammal, offers a glimmer of hope that this small tropical porpoise native to Mexico’s Gulf of California could avoid extinction despite its dwindling population. population at about 10. Researchers said Thursday that genome data from 20 vaquitas showed that while the species has low genetic diversity – DNA differences between different individuals – the number of potentially harmful mutations that could put in danger its survival by inbreeding was quite low.

EU regulator hopes to approve vaccines suitable for COVID variants by fall

The European Union’s medicines regulator said on Thursday it hoped to have suitable vaccines to fight variants of the coronavirus, such as Omicron, approved by September. “Our priority is to ensure that adaptive vaccines are eventually approved by September at the latest in order to be ready for the deployment of new vaccination campaigns in the EU in the autumn,” said Marco Cavaleri, responsible for biological threats to health and vaccine strategy at the European Medicines Agency (EMA).

(With agency contributions.)

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