Can you sharpen scissors by cutting Aluminum foil?
asked Jan 13 at 18:29
Was the mileage of the Apollo spaceships 7 inches to the gallon for their moon flights?
Is it accurate to say that 97% of experts agree that global warming is anthropogenic?
Does this graph show climate-change predictions don't meet observations?
Does the phase-out of incandescent light bulbs measurably reduce overall electrical power consumption?
In the USA, are there more African American men in prison than in college?
How can I understand “thirty-seconds of a dollar”?
Has income tax been found unconstitutional by a court?
Does sealing electrical outlets reduce heating costs?
Does one Volcanic eruption release more CFC's into the atmosphere than all man made CFC's combined since their invention?
Did archaeologist Stan Taylor discover human footprints dated from the period of dinosaurs?
Do fluorescent lights use more power to turn on?
Does a tax increase on high incomes slow down economic growth?
Did banning lead additives in petrol (gasoline) make a large contribution to lowering lead levels in people's blood?
A word for an object that contains two evolutionarily related objects
Has climate change measurably increased the likelihood of tropical storms such as Haiyan?
How long does it take for renewable technology to recoup its energy cost?