Even in stringent times, it seems like a good idea to do some science to find out what the world is made of and how it works.
Supermassive black holes appear to occupy the center of almost all galaxies. When they are actively swallowing matter, these black holes can power energetic jets that shine brighter than the entire rest of the galaxy, and can shoot matter free of it. Despite the mass and energy involved, however, the origin of these jets has…
In the book Theoretical Morphology, George McGhee examines why living things look the way they do. He explores the space of the potential shapes of organisms, or their morphology, and compares that to what we find in Nature, finding that the actual morphologies are often a subset of those potential shapes, due to chance and…
There is an understandable tendency to put problems of the ‘global commons’— climate change or biodiversity loss, for instance — in the hands of intergovernmental institutions. However, thus far these bodies have failed miserably. The United Nations Framework Convention on Climate Change (UNFCCC), born at the Earth Summit in Rio de Janeiro, Brazil, 20 years…
For the research subjects’ sacred values, the ones they wouldn’t give up on for any amount of money (they could ‘auction off their value’ for up to $100), what lit up in the brain were areas known to be involved in right-wrong decisions, not in cost-benefit/utilitarian parts of the brain. That is, we naturally go…
It used to be sex ed that got science teachers into challenging situations once in awhile. Evolution, too, of course. Increasingly, the “C” word, climate, is creating challenges for educators trying to explore the heat-trapping properties of carbon dioxide and the implications for climate as concentrations of CO2 and other greenhouse gases rise. Teachers are…
ESA’s Herschel space observatory has discovered enough water vapor to fill Earth’s oceans more than 2000 times over, in a gas and dust cloud that is on the verge of collapsing into a new Sun-like star. Stars form within cold, dark clouds of gas and dust – ‘pre-stellar cores’ – that contain all the ingredients…