By Theme - Science history & process

  • Exploring a volcano
    Exploring a volcano

    As molten rock gathers underground, a huge volcanic field in Chile is the fastest-rising land on Earth. The biggest eruptions at Laguna del Maule, if they happened today, would change our climate and planet. Scientists are racing to understand a strange unrest in a bizarre landscape.


    Thursday, May 2nd, 2013
  • Wolf mystery solved at last!
    Wolf mystery solved at last!

    And how did it traverse 460 kilometers of ocean? Apparently by crossing a narrow band of ice during the last Ice Age. A new study echoes evolutionary giants Darwin and Wallace and highlights the role of sea level in animal migration.


    Thursday, March 7th, 2013
  • A Field Guide to Radiation
    A Field Guide to Radiation

    Finally, an A-to-Z encyclopedia of ionizing radiation — but one that omits key topics.


    Friday, September 28th, 2012
  • Boasting about the boson
    Boasting about the boson

    “Yes, but…” is the word from the frontiers of physics. The world’s largest atom smasher has blasted protons against each other with such enormous energy that they have — apparently — appeared in the debris of decaying particles. At last, matter can have mass!


    Thursday, July 5th, 2012
  • Rennaissance man wonders: Denial of science, science of denial ... Why do so many doubt evolution, warming?
    Denial of science, science of denial Tobacco and cancer. CFCs and ozone. Vaccines and autism. And evolution through natural selection, acid rain and global warming. Why do the facts get lost in a cacophony of argument, falsehood and outright denial? A conference looks at why the media get taken for a ride, and how they can improve.
    Thursday, May 3rd, 2012
  • Patent wars!
    Patent wars!

    How do patents work? What is “new, non-obvious and useful”? What will happen after the biggest change in patent law in 60 years?


    Thursday, April 19th, 2012
  • Bird migration: Key explanation skewered!
    Bird migration: Key explanation skewered!

    How do homing pigeons find their way on their amazing migrations? For a decade, scientists thought iron-bearing nerve cells in the beak can detect Earth’s magnetic field. But those iron granules are in immune cells. So how do the birds do it?


    Thursday, April 12th, 2012
  • Shaking it up: Maverick scientist dies
    Shaking it up: Maverick scientist dies

    Sometimes, scientists feel the need to leave the lab and warn the public about onrushing hazards. Rowland warned about ozone, but others are warning about warming. Does scientific culture encourage or hinder going public? Does the helpful response to ozone depletion suggest we’ll succeed in confronting global warming?


    Thursday, March 22nd, 2012
  • Reading magma, predicting giant eruptions
    Reading magma, predicting giant eruptions

    Volcanic eruptions are unpredictable, but here’s a new view of the historic eruption of a Mediterranean monster. About 3,500 years ago, Santorini’s eruption left a giant caldera and 60-meter layers of pumice. A new study of tiny crystals tracks the movement of molten magma before the cataclysm.


    Thursday, February 2nd, 2012
  • Cattle, wildlife: No real conflict?
    Cattle, wildlife: No real conflict?

    In African savannas, cattle graze the same grass as zebras, elephants and gazelles. Obviously, wildlife are stealing food from the mouths of cattle, and from the people who depend on cattle. But new data show that in the wet season, grazing wildlife actually benefit cattle!


    Thursday, September 22nd, 2011
  • Science on the road!
    Science on the road!

    Hitting the road? What could be more enlightening than gawking at a cave, exploring a desert, or eyeballing the largest telescope in the world? Need proof that science is not just books and websites or equations and software? Get moving!


    Thursday, August 4th, 2011
  • The importance of being Einstein
    The importance of being Einstein

    Experiment finds Earth “dragging” spacetime, as Einstein predicted. Einstein knew his physics. Bending light, gravity lenses, shifting spacetime, spinning neutron stars: he called them all.


    Thursday, May 19th, 2011
  • Climate: Simple = beautiful?
    Climate: Simple = beautiful?

    Earth’s orbit subtly changes over thousands of years, in complex cycles that affect the timing and delivery of sunlight to various regions of the globe. Climatologists have said that when this “Milankovitch cycle” warms the Arctic, it somehow warms the Antarctic. A new study finds that the cycle acts more directly.


    Thursday, March 3rd, 2011
  • Maggots, leeches, parasitic worms
    Maggots, leeches, parasitic worms

    Three gross “biotherapies”: Leeches suck blood after surgery. Maggots clear dead tissue from wounds. Parasitic worms fight ulcerative colitis.


    Thursday, December 23rd, 2010
  • Black and white image of woman in wheelchair seen from the back in a hospital hallway
    Stem cell battle resumes

    A federal court has thrown the field of embryonic stem cell research into confusion. Last week, research that destroys embryos could not get federal bucks — even if those embryos were doomed or destroyed years ago. This week, it can. How is the legal yo-yo affecting researchers — and desperate patients?


    Thursday, September 16th, 2010


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