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New filtration technology could be game-changer in removal of Pfas ‘forever chemicals’

Researchers found a new way to filter and destroy Pfas chemicals at 100 times the rate of current systems

New filtration technology developed by Rice University may absorb some Pfas “forever chemicals” at 100 times the rate than previously possible, which could dramatically improve pollution control and speed remediations.

Researchers also say they have also found a way to destroy Pfas, though both technologies face a steep challenge in being deployed on an industrial scale.

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© Photograph: Olga Rolenko/Getty Images

© Photograph: Olga Rolenko/Getty Images

© Photograph: Olga Rolenko/Getty Images

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‘It’s the sovereignty of the country’: Guinea-Bissau says US vaccine study suspended

Despite US pushback, officials in west Africa say controversial hepatitis B study on pause amid ethics concerns

US health officials insisted it was still on. African health leaders said it was cancelled. At the heart of the controversy is the west African nation of Guinea-Bissau – one of the poorest countries in the world and the proposed site of a hotly debated US-funded study on vaccines.

The study on hepatitis B vaccination, to be led by Danish researchers, became a flashpoint after major changes to the US vaccination schedule and prompted questions about how research is conducted ethically in other countries.

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© Photograph: The Washington Post/Getty Images

© Photograph: The Washington Post/Getty Images

© Photograph: The Washington Post/Getty Images

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Elon Musk annonce que le robot humanoïde Optimus sera en vente aux particuliers en 2027

Lors du Forum économique mondial de Davos, Elon Musk a une nouvelle fois créé la surprise en affirmant que Tesla commercialiserait son robot humanoïde Optimus dès l’an prochain. Une annonce ambitieuse, fidèle au style du patron de la firme américaine, alors même que peu d’éléments concrets permettent aujourd’hui …

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Elon Musk annonce que le robot humanoïde Optimus sera en vente aux particuliers en 2027

Lors du Forum économique mondial de Davos, Elon Musk a une nouvelle fois créé la surprise en affirmant que Tesla commercialiserait son robot humanoïde Optimus dès l’an prochain. Une annonce ambitieuse, fidèle au style du patron de la firme américaine, alors même que peu d’éléments concrets permettent aujourd’hui …

Lire la suite

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L’article Elon Musk annonce que le robot humanoïde Optimus sera en vente aux particuliers en 2027 est apparu en premier sur KultureGeek.

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RFK Jr. Plan to Test a Vaccine in West African Babies Is Blocked

A planned U.S.-funded study of a hepatitis B vaccine drew widespread condemnation from researchers. Now the host country says it cannot proceed.

© Rebecca Blackwell/Associated Press

Each year thousands of babies born in Guinea-Bissau, one of the world’s least developed countries, are exposed to hepatitis B, a virus that can cause severe liver damage and cancer.
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NIH ends funding of research that uses human fetal tissue from abortions

Fetal tissue has been used to advance research into diabetes, Alzheimer’s, infertility and vaccines

The National Institutes of Health (NIH) will no longer fund research that uses human fetal tissue obtained from “elective” abortions, the world’s biggest public funder of biomedical research announced on Thursday.

The ban marks the latest, and most dramatic, effort by the Trump administration to end research that uses fetal tissue from abortions – a goal that anti-abortion advocates, who oppose the research, have sought for years. In 2019, during Donald Trump’s first term in office, the NIH stopped funding internal research that involved the tissue and implemented a review committee to evaluate research proposals from scientists outside the government. Joe Biden ended that policy in 2021.

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© Photograph: Elizabeth Frantz/Reuters

© Photograph: Elizabeth Frantz/Reuters

© Photograph: Elizabeth Frantz/Reuters

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Kangaroos’ giant ancestor probably able to hop despite 250kg weight, scientists say

Research for first time suggests tendon and bones in heavier species would have made bounding possible

Giant 250kg kangaroos that once roamed Australia would probably have been able to hop despite their enormous size, researchers have said.

While modern kangaroos are known for their ability to travel large distances by jumping with both hind legs at the same time, it has long been debated whether their extinct relatives would have been so springy.

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© Photograph: Megan Jones / UCMP

© Photograph: Megan Jones / UCMP

© Photograph: Megan Jones / UCMP

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Matière noire : des astronomes observent pour la première fois son passage à travers une collision de galaxies

Une équipe internationale d’astronomes vient de franchir une étape majeure dans l’étude de la matière noire en observant son comportement lors d’une collision spectaculaire entre deux amas de galaxies lointains. Cette observation rare apporte de nouveaux éléments pour comprendre cette composante invisible de l’Univers, qui façonne pourtant la …

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