Can you sharpen scissors by cutting Aluminum foil?
asked Jan 13 '15 at 18:29
Has the Catholic Church lifted more people out of poverty than any other civic institution?
asked Dec 30 '13 at 21:09
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?
Has income tax been found unconstitutional by a court?
Did Patrick Matthew came up with the theory of natural selection before Charles Darwin?
How can I understand “thirty-seconds of a dollar”?
Does one Volcanic eruption release more CFC's into the atmosphere than all man made CFC's combined since their invention?
Did paleontologist Stan Taylor discover human footprints dated from the period of dinosaurs?
Does sealing electrical outlets reduce heating costs?
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?
Does jet fuel have a maximum burning temperature of 980 °C?
A word for an object that contains two evolutionarily related objects
Has climate change measurably increased the likelihood of tropical storms such as Haiyan?
Are electric cars beneficial to the environment compared to low consumption modern cars?
Does physics give a climate sensitivity to carbon dioxide of about 3°C?
How long does it take for renewable technology to recoup its energy cost?