Canada's prime minister and his opponent kick off election saying Trump must respect sovereignty Denzel Washington and Jake Gyllenhaal on their record-breaking "Othello" Denmark's defense ...

Anyway, using their beer grant money, these researchers found that the efficiency of a potato based battery can be increased by boiling it for eight minutes which drops the internal resistance ...

In this activity you will build a battery using potatoes, lemons, and metal nails. It’s easier to recognize these items as coming from nature. Potatoes and lemons are harvested from plants. Metals ...