Mrs. Phillips's Activity (3)
kpennphilli added a news bookmark.
Most animals only perform tricks when bribed with treats. However, Kim, the world’s first spider to learn a skill, needs no incentives to do what she loves — jumping from differ...Over 2 years agokpennphilli added a news bookmark.
The invention of plastic has been a double-edged sword for humanity. While the cheap, versatile material has made life convenient, it is virtually indestructible and takes centu...About 3 years agokpennphilli added a news bookmark.
Before astronauts land on Mars, scientists must know everything they can about its inhospitable landscape. While the various exploration vehicles dispatched over the years are p...About 3 years ago