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We summarize the week's scientific breakthroughs every Thursday.

  1. Health & Medicine

    Here’s what breakthrough infections reveal about COVID-19 vaccines

    Studies analyzing vaccinated people in the real world show that COVID-19 vaccines are extremely effective, but experts are keeping an eye on variants.

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  2. Health & Medicine

    Meet three moderators fighting disinformation on Reddit’s largest coronavirus forum

    Science News spoke with volunteers about what it takes to correct misinformation online during a pandemic.

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  3. Health & Medicine

    The surge in U.S. coronavirus cases shows a shift in who’s getting sick

    Younger, unvaccinated people are a rising share of COVID-19 cases, raising concerns anew that lack of vaccine access may hit minority populations hard.

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  4. Science & Society

    The book ‘Viral BS’ offers a cure for medical myths and fake health news

    In ‘Viral BS,’ physician and author Seema Yasmin fights misinformation with a dose of storytelling.

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  5. Anthropology

    Little Foot’s shoulders hint at how a human-chimp common ancestor climbed

    The shape of the 3.67-million-year-old hominid’s shoulder blades suggests it had a gorilla-like ability to climb trees.

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  6. Health & Medicine

    COVID-19 can affect the brain. New clues hint at how

    Anxiety, depression and strokes can occur after infection, leaving experts to determine how the virus affects the brain.

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  7. Health & Medicine

    FDA and CDC OK resuming J&J COVID-19 shots paused over rare clot concerns

    The single-dose vaccine carries a low risk of rare blood clots in women under 50, but experts say its benefits outweigh that risk.

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  8. Health & Medicine

    Experts predict U.S. COVID-19 cases will dip in summer but surge in winter

    Masks, vaccines and coronavirus variants could all affect how bad a predicted winter surge gets.

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  9. Health & Medicine

    Capturing the sense of touch could upgrade prosthetics and our digital lives

    Haptics researchers are working on ways to add touch to virtual reality, online shopping, telemedicine and advanced artificial limbs.

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  10. Health & Medicine

    50 years ago, scientists claimed marijuana threatened teens’ mental health

    In the 1970s, scientists linked pot use to mental health woes in teens. Such concerns have helped keep the drug illegal for teens for 50 years.

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  11. Health & Medicine

    Here’s what we know about B.1.1.7, the U.S.’s dominant coronavirus strain

    Studies show the variant is more contagious and may cause more severe COVID-19 overall. But vaccines still work against B.1.1.7.

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  12. Health & Medicine

    People with rare blood clots after a COVID-19 jab share an uncommon immune response

    AstraZeneca’s and J&J’s shots are linked to antibodies that spark clots. Knowing that lets doctors ID cases and get patients the right treatment.

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