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Ancient Planet

Long before our Sun and Earth ever existed, a Jupiter-sized planet formed around a sun-like star. Now, almost 13 billion years later, NASA's Hubble Space Telescope has precisely measured the mass of this farthest and oldest known planet. The ancient planet has had a remarkable history, because it has wound up in an unlikely, rough neighborhood. It ...

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AncientPlanet
Physics

The Doppler Effect

As any object moves through the air, the air near the object is disturbed. The disturbances are transmitted through the air at a distinct speed called the speed of sound, because sound itself is just ... Continue reading

TheDopplerEffect
Engineering

Fiber Optics

The sun is shining; it's a brilliant day. The springboard flexes powerfully under your feet as you launch into a graceful arc through the air and into the crystal clear water below. Arms extended, you ... Continue reading

FiberOptics
Chemistry

Hydrogen Reaction Experiment Reaps a Surprise

Scientists got a surprise recently when a team of physical chemists at Stanford University studied a common hydrogen reaction. Scientists got a surprise recently when a team of physical chemists at ... Continue reading

HydrogenReactionExperiment
Biology

Wise As An Owl

Are owls the smartest birds? According to trainers that work with them, not by a long shot. Parrots are easy to train and can have extensive vocabularies. Hawks can be taught to retrieve objects. Even ... Continue reading

WiseAsAnOwl

Is Catnip a Drug for Cats?

IsCatnipaDrugforCatsMost people think of catnip as having drug-like effects on their cats. Some cats lick it, eat it or just sniff it and owners can see a definite behavior change. Catnip is actually a plant from the mint family. It contains the chemical trans-nepetalactone which causes the cats' odd behavior. It is not a drug; therefore completely safe for cats!

House cats aren't the only animals that go bonkers for catnip; tigers do too. In fact, all animals in the felidae family react to it. Humans and other animals are not affected by the trans-nepetalactone in the catnip. So why does this chemical make members of the cat family go crazy for it? Well, trans-nepetalactone smells just like a chemical found in a dominant female cat's urine. This smell deceives male cats, causing them to try to impress the female by acting crazy. They roll around, jump, stretch out their claws and anything else to get 'her' attention.

Not all cats are affected by catnip though. So, don't think that your cat is not truly a cat if it doesn't act bizarre around catnip. Older cats or kittens may not be affected by catnip. Also, cats may have a crazy reaction to the catnip then walk away and act normal for a while. As soon as their brain 'resets' and the cat goes back to the catnip, the same reaction occurs. The craziness associated with your cat in the presence of catnip can go on as long as the catnip keeps its smell. Although we can't smell it, our cats go wild for it!