James Riordon is a freelance science writer who covers physics, math and astronomy, and coauthor of the book Ghost Particle – In Search of the Elusive and Mysterious Neutrino.
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All Stories by James R. Riordon
The Windchime experiment could use gravity to hunt for dark matter ‘wind’
Though decades away, the project hopes to use an array of ultrasensitive sensors as a “wind chime,” jostled by dark matter blowing past Earth.
Two black holes merged despite being born far apart in space
A closer look at gravitational wave data reveals 10 overlooked mergers, including one between black holes that probably found each other late in life.
Health & Medicine
Tiny amoebas move faster when carrying cargo than without
A new study of the carrying capacity of single-celled amoebas may help scientists develop mini “trucks” to precisely target disease in the human body.
Why even small sonic booms are more annoying in cities
Quieter sonic booms from next-generation planes could still be annoying in cities thanks to narrow streets and tall buildings, simulations suggest.
Science & Society
Growing wildfire threats loom over the birthplace of the atomic bomb
Climate change is expected to make wildfires worse across much of the Southwest United States. A key nuclear weapons lab could be in the hot zone.
Health & Medicine
How to wash chicken in the kitchen more safely, according to physics
Despite the advice of health experts, most people who cook chicken at home wash it. New research offers ways to reduce spreading dangerous germs.
Leonardo da Vinci’s rule for how trees branch was close, but wrong
An update to da Vinci’s elegant, 500-year-old “rule of trees” offers a powerful, new way to describe the structure of almost any leafy tree.