We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Jackie Reeve, Kaitlyn Wells and Melanie Pinola You can find plenty of phone ...

Abstract: Mobility on demand (MoD) systems show great promise in realizing flexible and efficient urban transportation. However, significant technical challenges arise from operational decision making ...

For decades, this question has bewildered biologists. Now, by studying Placozoa, scientists at Stanford University have ...