Uncategorized

  1. Animals

    Dim lighting may raise the risk of a West Nile virus exposure

    Dimly lit nights increased risk of West Nile virus exposure in chickens. Artificial light proved a better predictor of risk than population or paving.

    By Bethany Brookshire
  2. Animals

    Why do sea turtles, penguins and sharks sometimes just swim in circles or spirals?

    Tracking devices recorded the loops and spirals of 10 marine species. In some cases, scientists have good guesses for why; other times it’s baffling.

    By Susan Milius
  3. Health & Medicine

    Here’s what makes 4 promising COVID-19 vaccines unique — and potentially useful

    More vaccines still in the works are exploring a variety of approaches, including pills and electrical zaps.