InventorSpot

The Dad's Cab is a neat gadget that breeds an interesting business idea. How about charging children for the services we provide as parents, including carting them around to their many activities and engagements?

Some insects use plants as telephones, communicating with each other at opposite ends of the plant, researchers have found. Insects that live below ground and feed on a plant's roots send chemical signals via the leaves of the plant, alerting leaf-eating insects that live above ground that the plant is already occupied.

Apparently, the artist that made these suitcase designs wanted to experiment with the idea of what we see and how it compares to how we perceive it. How we judge a book by its cover, you may say.

In an effort to maintain a steady population of fish, many fisheries have rules for minimum fish sizes or weights. If the fish is too small, it must be thrown back to give it more time to grow and reproduce. Now researchers have found that this policy is flawed.