How to be alone

Many of us dread being alone. We find isolation uncomfortable or downright scary. If you want to know just how eager we are to avoid it, consider a scientific study that offered people a choice between giving themselves electric shocks Read More …

2020 was a time warp

Fourteen thousand years ago, a star called Vela died. Its core collapsed first and then, in a violent burst, propelled the shattered star’s body out into space. Vela’s death bled into the interstellar medium, blasting cosmic radiation out in every Read More …