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  1. Physics

    A powerful laser can redirect lightning strikes

    In a mountaintop experiment, a laser beamed into the sky created a virtual lightning rod that snagged several bolts before they hit the ground.

    By Maria Temming
  2. Chemistry

    How rare earth elements’ hidden properties make modern technology possible

    Because of their unique chemistry, the rare earth elements can fine-tune light for many different purposes and generate powerful magnetic fields.

    By Nikk Ogasa
  3. Health & Medicine

    Here’s what you need to know about COVID’s XBB.1.5 ‘Kraken’ variant

    XBB.1.5, an offshoot of the coronavirus’s omicron variant, can hide from parts of the immune system, but vaccines and some treatments still work.

    By Erin Garcia de Jesús
  4. Planetary Science

    Enceladus is blanketed in a thick layer of snow

    Pits on the Saturnian moon reveal the surprising depth of the satellite’s snow, suggesting its plume was more active in the past.