Allison Gasparini

All Stories by Allison Gasparini

  1. Humans

    Eight billion people now live on Earth — a new record

    The global population hit this milestone on November 15, according to an estimate from the United Nations.

  2. Physics

    Explainer: What are the different states of matter?

    Most people know solids, liquids and gases — but what about the four other states of matter?

  3. Space

    Some of the sun’s iconic coronal loops may be ghostly illusions

    Wrinkles in the sun’s outer atmosphere might trick the eye into seeing glowing arches, scientists now report.