Category Science & Technology
Curiosities: Why do sharks have to swim constantly?
For two reasons, says James Kitchell, professor of zoology at UW–Madison. First, sharks lack the swim bladder that most fish use to adjust their buoyancy.
Plants give up some deep secrets of drought resistance
In a study that promises to fill in the fine details of the plant world's blueprint for surviving drought, a team of Wisconsin researchers has identified in living plants the set of proteins that help them withstand water stress.
Curiosities: Is it safe to reuse plastic knives and forks?
Single-use kitchen plastics — such things as plastic eating utensils, cups and containers from cottage cheese, sour cream, chip dip, margarine, and milk — are…