Air pollution has a cooling effect on the atmosphere, while greenhouse gases cause global warming. Discover why both emission types must be cut in combination to preserve our environment. (4:00 min read)
Blog
Universe’s Expansion Rate Still Hard to Pin Down
The Universe’s expansion rate, the Hubble constant, is vital to understanding the Cosmos’ origin and fate. Discover how the latest technique for measuring the Hubble constant sheds new light on the past and future. (5:15 min read)
‘The Canon: A Whirligig Tour of the Beautiful Basics of Science’ – A Review
The Canon is a playful book aimed at teaching adults basic science. Discover why the author felt readers needed this book and how it makes science fun again. (4:30 min read)
Bow and Arrow Technology and Culture
The bow and arrow is an ancient technology, and it takes great skill to make a bow. Discover what researchers discovered from interviews with expert bow makers from the hunter-gatherer Hadza people. (5:30 min read)
Carbon Taxes Are the Best Way to Fight Climate Change
Carbon taxes aren’t terribly popular in some circles, but they work. Discover what a new study found about the results of putting a price on carbon compared to other measures to combat the climate crisis.(4:00 min read)
Gravitomagnetism: Does It Explain Away Dark Matter?
Gravitomagnetism is the energy created by spinning objects in the fabric of spacetime. Discover why it may explain away the mysterious Dark Matter for which scientists have been searching unsuccessfully. (4:30 min read)
‘The Sacred and the Profane’ – A Review
'The Sacred and the Profane' is a classic book on the history of religion. Discover how it reveals the Universe, Nature and Humanity as our connections to the sacred. (5:00 min read)
Indigenous Rights Debated While First Nations Lack Safe Water
Indigenous rights were the subject of new legislation in Canada’s parliament. Discover why practical steps to provide safe drinking water mean more to Canada’s First Nations communities. (4:30 min read)
‘Making Peace with Nature’ Report Offers Sustainable Blueprint
‘Making Peace with Nature’ is the title of a new report from the United Nations Environment Program (UNEP). Discover how it lays out a blueprint for solving our climate, biodiversity and pollution challenges.(4:30 min read)
Mars Makes News Three Times This Week
Mars made the news three times this week as three countries arrived there within days of each other. Discover the objectives of each mission and their plans to learn about the Red Planet. (5:00 min read)