It's nice to have a welcome sign hanging on your front door, but these can be expensive. This DIY version turns an old ...

Picture this: a 21-year-old backyard scientist in Alabama, Julian Brown, sweeps away some dirt and leaves from his homemade solar- and generator-powered, 10-magnetron-powered pyrolysis microwave ...

How Are Plastic Bottles Made? Plastics are made from oil or natural gas, which are made of molecules called hydrocarbons. When you heat hydrocarbons to very high temperatures, they break down into ...

A new plastic made from DNA is renewable, requires little energy to make and is easy to recycle or break down. Traditional plastics are bad for the environment because they are made from non-renewable ...

Miss USA R'Bonney Gabriel won the 71st Miss Universe title on Saturday. During the pageant, she wore a homemade swimsuit cape she designed herself using plastic bottles. Gabriel, 28, said she did it ...