When the oceans became acidic

When the oceans became acidic

Colossal volcanic eruptions some 250 million years ago have long been linked to the widespread global extinction known as the “Great Dying“, a 60,000-year period that saw 90 percent of all sea creatures and more than two-thirds of all plants and animals on land die off. But new research has for the first time identified the specific cause of the […]

Read more

Inequality: Why the poor are getting poorer

Why is America a nation of growing inequality? The yawning economic and cultural gap between the well-to-do and the working class—now wider than at almost any point in our history—has academics and pundits searching for explanations. Now, a new Harvard study provides an illuminating—and “horrifying”—insight into what’s going on. The affluent and the working classes, the study found, are raising […]

Read more
1 20 21 22 23 24 455