A species of Wasp in Costa Rica sting spiders and lay their eggs inside them. The spiders then lay an especially strong web to support the wasp larva and then dies. When the larva is born it eats the spider!
The cutting edge
The cutting edge An automatic lawnmower, called the RL500 Robotic
Mower, has been introduced in the United States. This lawnmower
mows lawns by itself without human help. It weighs 78 pounds, and
is powered by two 12-volt rechargeable batteries, and looks like a
low-slung vacuum cleaner. NOVEMBER 6, 2000