A chance encounter on a rocky seashore led one professor to invent autonomous robotics that can harvest the power of seaweed.

Have kids pick out the chores they'd most like to do. Then create a chart. First ... preschoolers can handle one or two simple one-step or two-step jobs. Older children can manage more.

Is Andaz Papagayo the right resort for your next getaway? Read our in-depth review to find out the pros and cons plus insider ...