How an Enslaved Man Bought His Freedom and Became One of America’s Wealthiest Black People

Stephen Smith (1795-1873)

Born enslaved in Dauphin County, Pa., Stephen Smith had been sold to a new slavemaster, a lumber merchant, and was separated from his mother. Continue reading How an Enslaved Man Bought His Freedom and Became One of America’s Wealthiest Black People

Landmark Cosmic Observation Provides Tantalizing Hints of Dark Matter

Today, scientists announced that they’d seen evidence of a long-sought signal from the first stars. This slight change to some ambient radio waves could herald the first step in a new kind of astronomy. But maybe, just maybe, it’s also evidence of dark matter interacting with regular matter in the ancient universe. Continue reading Landmark Cosmic Observation Provides Tantalizing Hints of Dark Matter

DICK’S SPORTING GOODS CEO ANNOUNCES THEY WILL NO LONGER SELL ASSAULT RIFLES

The deadly Valentine’s Day school shooting at Marjory Stoneman Douglas High School in Florida has inspired a movement among teens to protest for changes in gun laws. Retail outlets that sell assault weapons are taking notice. Dick’s Sporting Goods indicated Wednesday that it is making a huge move inspired by the mass murder, which killed 17. Continue reading DICK’S SPORTING GOODS CEO ANNOUNCES THEY WILL NO LONGER SELL ASSAULT RIFLES

Scientists Discover Long-Sought Evidence of First Stars Forming

When you sweep across the FM radio band, you don’t always hear music—mostly, you hear static. Lots of this ambient noise is actually garbled signals from throughout the Milky Way. If you had perhaps the most sensitive FM receiver on Earth, you might pick up the tiniest dip in volume: a signal that comes not from our galaxy, but from the earliest stars in the Universe. Continue reading Scientists Discover Long-Sought Evidence of First Stars Forming