Uncategorized

  1. Math

    Prime-Time Cicadas

    Cicadas are flying, plant-eating insects. Most cicada species have life cycles that span 2 to 8 years. They spend most of their lives underground before emerging as adults. In a few species, almost all the individuals in a given location come out of hiding at the same time. These are known as periodical cicadas, and […]

    By Ivars Peterson
  2. Earth

    Spawning Trouble: Synthetic estrogen hampers trout fertility

    Exposure to a synthetic estrogen called ethynylestradiol, which is commonly found in birth control pills and enters the waterways through sewage effluent, reduces male trout’s fertility by half.

    By Sorcha McDonagh
  3. Health & Medicine

    Double Duty: Diabetes drug protects reopened heart vessels

    A drug normally prescribed to hold blood sugar in check provides an unexpected benefit to heart patients.