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Does Covid immunity wane and will vaccine booster jabs be needed?
Multiple studies seem to suggest immunity declines over time, though what this means is unclearCoronavirus – latest updatesSee all our coronavirus coverageWith plans for the UK’s Covid vaccine booster programme this autumn soon to be revealed, we take …
Europe’s July floods: So rare and extreme, they’re hard to study
One river basin might have seen a 1-in-15,000-year event.
草食のゾウガメが、鳥のひなを「狩る」方法を知っていた：衝撃の映像が浮き彫りにした謎の生態
草食動物であるはずのゾウガメの一種が鳥のひなを狩って食べる様子を、研究者が初めて映像に収めた。驚きの映像からはゾウガメがひな鳥を戦略的に狩っている様子が見てとれるが、これが生態の変化を示すのかなどについては多くの謎が残っている。
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「深宇宙を旅する技術」をつくり、ついでに地球の問題を解決する：21歳の化学者が二酸化炭素回収技術に見る夢
化学者で発明家の村木風海は、二酸化炭素の回収とその有効活用によって、地球の課題と宇宙探査の課題を同時に解決しようと考えている。19歳で一般社団法人炭素回収技術研究機構（CRRA）を創設し、CO2回収マシーン「ひやっしー」や空気から燃料を製造する技術の開発、有人火星探査の研究などを進める彼に、脱炭素技術の先に描く未来について訊いた。
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Oxygen firms accused of intimidating Mexican hospitals during pandemic
Hospitals received letters threatening large fines after they installed their own onsite O2 plants in response to shortagesIn March 2020, Benjamin Espinoza Zavala saw an entire floor of his small hospital in Guanajuato, central Mexico, converted into C…
New Zealand won’t ‘throw in towel’ on Covid-zero strategy despite rising infections
Covid response minister says it would be a waste to stop aiming for elimination after plan was questioned by foreign mediaSee all our coronavirus coverageNew Zealand’s Covid response minister says the country will not “throw in the towel” with its elim…
Pressure mounts over COVID vaccines for kids; docs warn against off-label use
Officials give slightly different estimates for when vaccines will go to kids under 12.
First images of Blue Origin’s “Project Jarvis” test tank
“The reason I like vertical landing is because it scales so well.”
SpaceX may dig a tunnel to enable frequent South Texas launches
County officials would not be willing to pay for the project.