A soft-spoken, virtually unknown mathematician from the University of New Hampshire has found himself overnight a minor celebrity, flooded with requests to give talks at top universities as his work is debated and celebrated online by leaders in his field. Read full story

Writing in the journal Nature, Brigham and Women’s Hospital’s Dr. Charles Czeisler argues that the sleep deficiencies that have become so pervasive among adults and children have been seriously exacerbated by artificial light, especially LEDs. Read full story

The news that a nuclear fusion experiment at the Massachusetts Institute of Technology will shut down in a year and half and that the project’s employees have received layoff notices has raised more objections. Read full story

A Swiss entrepreneur has given Harvard University $125 million for the second time in five years, to support a multidisciplinary bioengineering research institute that bears his name.  Read full story

Archeology and physics: the two fields seem just about as different as can be. On Wednesday, William Griswold, an archeologist with the National Park Service, will explain how the two fields intersect, during a colloquium at Boston College’s Weston Observatory. Read full story

The garden is marvelously lush, with hundreds of blossoming roses, tulips, lilies, and curvaceous, fungi-like plants. But these petals, twisting stems, and finely wrought leaves are invisible to the naked eye: Grown in the lab, this nano-landscape is best seen with an electron microscope. Read full story

The Kepler Space Telescope, an instrument that altered our sense of our place in the universe by revealing that Earth-sized planets orbited other stars, has suffered a malfunction with a mechanism that helps point the telescope.  Read full story

On Wednesday, scientists from Oregon Health Science University finally declared success in the effort to clone human embryonic stem cells. The paper, published in the journal Cell, comes years after another team had falsely claimed to have accomplished the feat, but advances since then have made the work little more than a footnote. Read full story

When a national organization of genetic specialists took a stab at clarifying one of the biggest issues facing the integration of DNA sequencing into medicine in March, the bold guidelines seemed destined to stir up a hornet’s nest of controversy. Now, the response -- call it a backlash, call it a healthy back and forth -- has begun. Read full story

A team of Harvard Stem Cell Institute scientists have discovered a protein that circulates in blood that can turn old hearts young, causing a mouse’s heart that has thickened and enlarged with age to revert back to a more youthful state.  Read full story