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Ritsuko Kawai

Reporter · US

Indexed articles, last 90 days
13
Latest publication
Sep 28, 2026
Outlet visibility, for WIRED
Top 50K sites
Earliest in this view
Jul 4, 2026

Latest articles

  1. Article · Sep 28, 2026 · Ritsuko Kawai

    Plastic Is Melting Onto Corals (opens the original)

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    Marine plastic pollution is rampant. That’s nothing new. Plastic waste has been found in a variety of marine ecosystems, including beaches, coral reefs, and even some of the ocean’s farthest depths. While a precise measurement is difficult, it’s estimated that several million metric tons of plastic lie on the seafloor. Scientists have been recording marine animals entangled in or consuming plastic debris for over half a century, some even proposing the term “Plastocene” (the Plastic Age) to deno

  2. Article · Sep 24, 2026 · Ritsuko Kawai

    Venus May Have Devoured Its Moon (opens the original)

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    Venus has nearly the same mass, size, and structure as Earth, which has led astronomers to believe it should have a moon, but it doesn’t. It is technically possible that a moon never formed, but scientists have also come up with several scenarios to describe how Venus could have lost its satellite. One previously presented hypothesis is that Venus’ moon was destroyed by a collision with some massive celestial body. But a recent study by researchers at the University of California, Riverside, sug

  3. Article · Sep 6, 2026 · Ritsuko Kawai

    These Cyborg Cockroaches Could Save Your Life (opens the original)

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    Small robots and drones have increasingly been used to help respond to disasters, reaching locations that are too hard or too dangerous to send humans, such as collapsed buildings. Many of these efforts have been focused on search and rescue. But new research shows how bugs—with their ability to crawl through even narrower gaps in rubble—outfitted with electrodes could be used as the next generation of first responders. A research team from the University of Queensland (UQ) and the University of

  4. Article · Sep 3, 2026 · Ritsuko Kawai

    Japan Is Launching a Probe to Collect the First-Ever Samples From a Martian Moon (opens the original)

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    A Mars probe from the Japan Aerospace Exploration Agency (JAXA) may answer some longstanding questions about the Red Planet and its moons. The mission—dubbed MMX for “Martian Moons eXploration”—aims to collect at least 10 grams of samples from Phobos, one of two moons orbiting the planet, and if successful, these will be the first rocks from a Martian moon ever brought to Earth. They won’t arrive quickly, however. The MMX probe will take approximately one year to reach Mars. It will then collect

  5. Article · Aug 26, 2026 · Ritsuko Kawai

    A Mutation Is Making It Easier for Drug-Resistant Malaria to Spread (opens the original)

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    The main drug that has been in use for decades to combat malaria in sub-Saharan Africa is running into a problem: In recent years, researchers have become increasingly concerned that parasites are becoming less sensitive to treatment. Identifying the underlying genetic factors has become an urgent priority. In an attempt to identify the reason for drug-resistant malaria, a team led by Brown University researchers conducted whole-genome analysis of 157 malaria parasite samples selected from speci

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