Gabriel Popkin's Articles
- NewsOcean-dwelling bacteria may have helped end global warming 56 million years ago by gobbling up carbon from the CO2-laden atmosphere.
- FeatureOver decades climatologists have grown more confident in their projections of the future impact of greenhouse gas emissions. But whether shifts in cloudiness will amplify global warming continues to vex researchers.
- Reviews & PreviewsInterspersed with the plot of Particle Fever are artful explanatory animations and commentary by six articulate physicists. Through these characters, we learn that the Higgs is a stepping stone toward a deeper understanding of the universe.
- NewsVolcanic magma may spend most of its time in a chunky state resembling cold porridge, a new study finds.
- Reviews & PreviewsOn only five occasions in Earth’s long history has a large fraction of the planet’s biodiversity disappeared in a geological instant. But, journalist Kolbert reminds us in her new book, we are well on our way to making it six.
- NewsVariations in energy and rainfall over the Southern Hemisphere follow a pattern that repeats every 20 to 30 days.
- News in BriefAncient Chinese fossil beds were preserved by high-speed rivers of volcanic rock and gas.
- Reviews & PreviewsWith its free Images of Change iPad app and online gallery, NASA makes the aerial perspective available to all, with results both stunning and disturbing.
- News in BriefA study of dust gives astronomers a sharper picture of cold gas.
- NewsBy allowing particle masses to change, a new theory suggests how the universe could have arisen without a Big Bang.