• Fusion's restless pioneers

    Startups with novel technologies are taking on fusion's Goliaths.

  • The elusive heart fix

    After years of hope and hype, researchers still don't agree whether cell infusions rejuvenate the human heart.

  • Top heart lab comes under fire

    A high-profile heart research lab is in the spotlight while under investigation by Harvard Medical School.

  • Monkey fever unbound

    The spread of an emerging disease from its forest stronghold is sounding alarm bells in India.

  • High hopes

    Psychedelic drugs fell from grace in the 1960s. Now, scientists are rediscovering them as potential treatments for a range of illnesses.

  • Can ecstasy treat the agony of PTSD?

    MDMA, a popular party drug, may be useful in psychotherapy, some scientists say.

  • Drawing a bead on trade

    The humble glass bead has become a tool to trace the migration of ancient goods and peoples around the Indian Ocean.

  • Sailing Sinbad's seas

    Archaeologists are rediscovering the ancient Maritime Silk Road.

  • When the bat sings

    The trills and chirps of bats can be as complex and meaningful as bird song—and may be a closer analog for human speech.

  • A touch of the random

    As researchers seek ever-larger supercomputers to crunch climate models of baffling complexity, some are calling for a fresh, statistics-based approach.

  • Mission to MERS

    A massive study in Qatar is yielding the most detailed data yet on how a new virus spreads between camels—and how it jumps to humans.

  • Minority voice

    Richard Tapia has prepared generations of minority students for academic jobs, but he says they still aren't welcome.

  • The killing ground

    Clues from a German coal mine show how early hunters lived, 300,000 years ago, and how their prey died.

  • Lost at sea

    As the hunt for the missing Malaysian jet grows more challenging, authorities are pondering how to avert future aviation vanishing acts.

  • Six handshakes, then silence

    The loss of Malaysia Airlines Flight 370 has pointed up holes in the technology for tracking aircraft and recording their flight information, and spurred discussions about improving it.

  • A lonely crusade

    For years, bioethicist Carl Elliott has insisted that his university failed a young man who died by suicide during a clinical trial