Using atomic-resolution electron microscopy, Arashdeep Singh Thind, a graduate student in Rohan Mishra's lab, studied grain boundaries in crystals (see arrows). Disclaimer: AAAS and EurekAlert!
SOUTH LAKE TAHOE, Calif — Lake Tahoe, renowned for its crystal-clear waters, is facing a new threat from an unlikely source: tiny New Zealand mud snails. These invasive species, no larger than a grain ...