新型コロナウイルスのなかでも感染力が強いとされる「デルタ株」が猛威を振るうなか、米国では子どもの感染者が急増している。これまで感染拡大の影響をあまり受けずにきた子どもたちは、ワクチンの接種対象ではないことでデルタ株の格好の標的になる可能性もある。子どもたちは、いまどのようなリスクに直面しているのか──。知っておくべき3つのことを紹介する。
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Spaceship carrying Richard Branson flew off course, FAA is investigating
Also, an explanation of why Mark “Forger” Stucky left Virgin Galactic.
The New Thermodynamic Understanding of Clocks
Studies of the simplest possible clocks have revealed their fundamental limitations — as well as insights into the nature of time itself. Natalie Wolchover, writing for Quanta Magazine: […] Over the past five years, through studies of the simplest c…
Anger, frustration at FDA over Biden’s booster plan; two top regulators resign
“Huge loss” at FDA amid concerns of political pressure over vaccine decisions.
Blue Origin hires advisory firm linked to messy JEDI contract process
Pallas Advisors was co-founded by two former advisors to Jim Mattis.
Terrawatch: supercontinents and the search for habitable planets
Models of how the Earth could look in 250m years, with huge land masses and longer days, can help exoplanet huntersIt’s unlikely humans will be around to see it, but in about 250m years Earth’s land masses will have moved together to form the next supe…
RNA vaccines seem to produce very different antibody levels
Result raises questions about correlation between protection and antibody levels.
世界の胃袋を満たすことになる培養肉、その原点となる牛の細胞株を求めて
世界の人々の胃袋を満たし、地球を救うためには、科学者たちがある細胞を見つける必要がある。いまや培養肉の研究者たちは、未来のハンバーガーの設計図となる牛の完璧な細胞株を見つけようと躍起になっているのだ。これまで生物医学の多くの発展に貢献してきた細胞株は、培養肉にとっても“秘伝のソース”となるはずだ。細胞株をめぐる培養肉業界の秘密主義と科学者たちの攻防を追う。
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New ruling reverts Clean Water Act protections to 1980s vintage
Current policy is arbitrary and capricious; new policy isn’t ready yet.
Toxic ‘Forever Chemicals’ Contaminate Indoor Air at Worrying Levels, Study Finds
Toxic PFAS compounds are contaminating the air inside homes, classrooms and stores at alarming levels, a new study has found. From a report: Researchers with the University of Rhode Island and Green Science Policy Institute tested indoor air at 20 site…