Like a wind-chill index, but for space weather

A Hampton University professor and his colleagues are chronicling Earth’s efforts to keep cool in the face of global warming. You and I have options for keeping cool on a hot summer day. For instance, we can find a spot in the shade, take a dip in a pool, or perhaps turn on a fan. Our planet, however, doesn’t enjoy the same … Continue reading Like a wind-chill index, but for space weather

An African city’s future, foretold in code

Environmental scientists and urban planners have used a real-life SimCity to predict what booming Niamey, Niger, will look like in the year 2030. Over the past 40 years, Niamey, Niger, has experienced a stunning growth spurt. In 1974, its population was less than 250,000—relatively small for a national capital. Then droughts and an economic crisis triggered a … Continue reading An African city’s future, foretold in code

Skipping sleep might raise your cholesterol—if you’re black

A team including two Howard University professors teased out the peculiar result from responses to one of the nation’s largest health surveys. Add this to the perils of being black in America: Too little shut eye may not only leave you irritable and groggy—it might also give you high cholesterol. According to a new study led by … Continue reading Skipping sleep might raise your cholesterol—if you’re black