Old Air Conditioners and Refrigerators Are Keeping Us From Healing the Ozone Hole
Global Warming

Old Air Conditioners and Refrigerators Are Keeping Us From Healing the Ozone Hole

A man rips an air conditioner unit during a protest in Port-au-Prince, Haiti, Friday, Sept. 2019. (AP Photo/Edris Fortune)Photo: APIn the 1930s, manufacturers began using chlorofluorocarbons—greenhouse gases made up of carbon, chlorine, and fluorine—as refrigerants for air conditioners, aerosol sprays, refrigerators, freezers, and more. The problem is, those chemicals depleted the ozone layer of the…

Rocky asteroid Ryugu got its rubble from a porous parent, study finds
Nature & Science

Rocky asteroid Ryugu got its rubble from a porous parent, study finds

Home News Science & Astronomy An image of asteroid Ryugu from Japan’s Hayabusa2 mission.  (Image credit: JAXA/University of Tokyo/Kochi University/Rikkyo University/Nagoya University/Chiba Institute of Technology/Meiji University/University of Aizu/AIST/Kobe University/Auburn University)The rocky object that spawned the asteroid Ryugu may have been extraordinarily porous, a new study finds. The new discovery could shed light on how planets…

Against Aloneness in the Web of Life: Ernst Haeckel, Charles Darwin, and the Art of Turning Personal Tragedy into a Portal to Transcendence
Marine Ecology

Against Aloneness in the Web of Life: Ernst Haeckel, Charles Darwin, and the Art of Turning Personal Tragedy into a Portal to Transcendence

In the waning winter of 1864, Charles Darwin opened a package that stopped his breath. “It is one of the most magnificent works which I have ever seen,” he exulted in his response to the sender — a young, still obscure German marine biologist by the name of Ernst Haeckel (February 16, 1834–August 9, 1919),…