1. multiplication

    Mathematicians may have found the fastest way to multiply huge numbers

    A new theoretical method for multiplying enormous figures appears to achieve a speed first predicted decades ago.

  2. person on dialysis
    Health & Medicine

    Blood vessels built from a patient’s cells could help people on dialysis

    Bioengineered blood vessels could provide a safer alternative than donor vessels or synthetic implants.

  3. Tech

    Readers respond to classroom robots, soil erosion and more

    Readers had comments and questions about robots in classrooms, benzodiazepines and more.

  4. robotic gripper grabbing an apple

    An origami design helps this robot lift delicate and heavy cargo

    Fragile items, such as soft fruits, as well as heavier goods are in safe hands with a new robotic gripper.

  5. Apple headquarters
    Science & Society

    Nine companies are steering the future of artificial intelligence

    In ‘The Big Nine,’ futurist Amy Webb explores the political and economic factors that are shaping artificial intelligence.

  6. doctor carrying donor organ
    Health & Medicine

    50 years ago, doctors lamented a dearth of organ donors

    Fifty years ago, surgeons’ supply of heart donations was woefully low.

  7. International Linear Collider

    Japan puts plans for the world’s next big particle collider on hold

    The jury is still out on whether Japan will host the world’s first “Higgs factory” — the International Linear Collider.

  8. nanosponge
    Health & Medicine

    Nanosponges sop up toxins and help repair tissues

    Nanoparticles coated with blood cell membranes can move through the body to clean up toxins or heal tissues — without instigating an immune reaction.

  9. baby wearing wire sensors
    Health & Medicine

    Wireless patches can comfortably monitor sick babies’ health

    New skin sensors that wirelessly transmit health data could offer a less invasive way to keep tabs on newborns in the neonatal intensive care unit.

  10. data mining illustration
    Artificial Intelligence

    Why a data scientist warns against always trusting AI’s scientific discoveries

    Artificial intelligence that helps make scientific discoveries needs to get better at admitting its uncertainty, Genevera Allen says.

  11. oil painting

    Why some Georgia O’Keeffe paintings have ‘art acne’

    Tiny protrusions are from chemical reactions in the paint, say scientists who developed an imaging method that could help curators track the knobs.

  12. insulator
    Materials Science

    A new insulation material is practically weightless yet still durable

    Extreme heat and temperature swings are no match for this lightweight insulator.