Question: I have something growing from my 10-year-old oleander that I’ve never seen before. It is a short, hard, and green mass that seems to be killing the branches it is on. Do you know what it is ...

Q: I have the weed in the attached picture growing after lots of summer monsoon weather in Tucson. Can you help me identify it? A: The plant is called Coulter’s spiderling (Boerhavia coulteri) and ...

Regal jumping spiders train themselves from a young age to become masterful hunters. From the day they leave mom’s silk nest, the tiny spiderlings practice, practice, practice, using some of the best ...