Search Results for: Fungi

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1,375 results

  1. Tales from the crypts: Cells battle germs

    Inhabiting tiny pits in the small intestine, so-called Paneth cells defend other cells in these crypts by discharging bacteria-killing bursts of enzymes and other molecules.

    By John Travis
  2. Plants

    Any Hope for Old Chestnuts?

    Next year will mark the 100th anniversary of the discovery of chestnut blight in the United States, but enthusiasts still haven't given up hope of restoring American chestnut forests.

    By Susan Milius
  3. Humans

    From the August 2, 1930, issue

    SHOOTING STARS, THE STORY-TELLERS OF THE UNIVERSE Of fortunate rarity are celestial visitors like the huge meteoric mass that dug the famous Meteor Crater in Arizona about 2,000 years ago. This scar on the face of the earth near Winslow, Ariz., is four-fifths of a mile across and 450 feet deep. It is shown on […]

    By Science News
  4. Earth

    Danger on Deck?

    The Environmental Protection Agency no longer allows residential installation of pressure-treated lumber and recommends the application of sealant to prevent leaching of carcinogens out of existing lumber structures.

    By Janet Raloff

  5. Hey, we’re richer than we thought!

    The latest inventory of life in the United States has turned up an extra 100,000 species of plants, animals, and fungi.

    By Susan Milius
  6. Earth

    Thin Skin

    Desert pavement, a delicate veneer of stones that covers the surface of up to 50 percent of the world's arid lands, is susceptible to being damaged by everything from multi-ton tanks to careless footsteps, and the resulting scars can take thousands of years to mend on their own.

    By Sid Perkins
  7. Humans

    From the July 26, 1930, issue

    DID THE MOUNDBUILDERS COME FROM MEXICO? Were the Indians who built the mysterious mounds of the great interior valley of our country kinsmen to the Mayas of Yucatan and the other highly cultured peoples of the Mexican plateau? Are the decidedly Maya- and Aztec-like sculptures taken from mounds in the Southeast really witnesses to an […]

    By Science News

  8. Tree pollination needs male-only rot

    A fungus that attacks only the male flowers on the chempedak fruit tree seems to be the edible reward for pollinators—the first fungus discovered to play such a role in pollination.

    By Susan Milius
  9. Health & Medicine

    Bacteria offer drug for organ recipients

    Korean investigators have identified a compound that suppresses the immune system of animals.

    By John Travis

  10. Keeping Bugs from Pumping Drugs

    Researchers hope that attacking the machinery some microbes use to pump antimicrobial agents out of their cells may help deal with the increasing problem of drug resistance.

    By Damaris Christensen
  11. Earth

    Forest-soil fungi emit gases that harm ozone layer

    Laboratory tests reveal for the first time that certain types of common fungi can produce ozone-destroying methyl halide gases.

    By Sid Perkins
  12. Plants

    Disease outpacing control in largest chestnut patch left

    An unusual test of a biological control for the blight that's killing American chestnuts doesn't look good in the largest remaining patch.

    By Susan Milius