A team of researchers at the Memorial University of Newfoundland has found that the ring-billed gull is able to pass a widely used cognitive test called the string-pull test. They describe their ...

Just wondering what folks' go-to "string" was for pulling runs through existing house walls. I thought (hoped?) that what appeared to be conduit into my house's wiring box went all the way to the ...

The mechanical simplicity of this pull-string controlled most useless machine is delightful. You can see the metal gripper which is reaching up to tug on a light-fixture-style pull chain. This is how ...