Footprints

How did one of the world’s biggest dinosaurs walk? Footprints offer clues | Science

by

How does an animal as big as a semitruck move around? That’s a question scientists have long asked about sauropods, the largest known dinosaurs, which may have weighed as much as 70 tons. Did they walk like a giraffe, picking up their two left and right legs in a dignified march? Or like an elephant, … Read more

Professional Sports Leagues Need to Reduce Their Carbon Footprints

by

North American sports leagues have at best an inconsistent track record on sustainability; while they all offer some mix of elementary school environmentalism (tree planting, recycling, and preventing food waste), most bask in luxury on board hyperpolluting private planes traveling across the world. This behavior sends a mixed message. Emissions from air travel are the … Read more

Mysterious Footprints Suggest Neanderthals Climbed a Volcano Right After It Erupted

by

According to legend, the devil once took a walk down the side of a volcano in southern Italy, each step preserved forever in solid rock. The tracks are known as the “Ciampate del Diavolo“‘ or “Devil’s Trail” – but details published in 2020 reveal a less diabolical yet far more interesting story on how they … Read more

Rich Americans Have Higher Carbon Footprints Than Other Wealthy People

by

The richest people are releasing vast amounts of carbon dioxide compared with lower-income people, according to a new report. This idea of “emissions inequality” underscores how nations that are contributing to climate change the most are disproportionately affecting regions that produce far less greenhouse gases. But the report by the World Inequality Lab also shows that the … Read more