When was the last common ancestor of humans and chimpanzees?
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4 million years ago
How did Danish astronomer Tycho Brahe die?
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Accidental poisoning
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Deliberate poisoning
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His bladder burst.
True or False? "Phosphorus is critical to all life on earth."
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False
True or False? "The discovery of Arsenic-loving bacteria would strongly suggest that life got started on our planet at least twice."
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False
-
True
Does exercise help with weight loss?
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No, exercise has no significant effect on weight loss.
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Yes, exercise helps with weight loss.
Does money make people happier?
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Not particularly.
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Yes, but only up to a certain point.
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Yes.
Who were the first peoples to farm Europe?
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European hunter-gatherers.
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Middle Eastern farmers who migrated to Europe.
How many exoplanets (planets beyond our solar system) are known?
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About 470
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About 500
How many barrels per day were leaking in BP's 2010 Gulf of Mexico oil spill?
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60,000 barrels per day.
Who were the first people to reach the Americas?
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Australian aboriginal people.
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Clovis people.
How long ago did Neanderthals die out?
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28,000 years ago.
Why did the Neanderthals die out?
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Climate change.
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They interbred with modern humans and were absorbed.
Humans and Neanderthals interbred, according to our anatomy | COSMOS magazine
According to the researchers, the populations probably blended together through sexual reproduction.
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They were killed or outcompeted by early modern humans.
Humans and Neanderthals interbred, according to our anatomy | COSMOS magazine
Others cite evidence of a more brutal end, in which Neanderthals were slaughtered by modern humans.
True or False? "Humans interbred with Neanderthals and the gene pools merged."
What is the most harmful drug?
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Alcohol
How many times did life independently arise on Earth?
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Multiple times
True or False? "Life that uses Arsenic instead of Phosphorus has been discovered."
-
True
Does extraterrestrial life (aliens) exist somewhere in the universe?
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Yes
Is global warming occurring?
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Yes.
True or False? "Mars once had liquid water on its surface."
-
True
True or False? "Zheng He reached Africa."
-
True
What is the primary cause of the obesity epidemic?
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We eat to much.
When was the last common ancestor of humans and orangutans?
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18 million years ago
How did King Tut die?
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Leg Fracture and Subsequent Infection.
True or False? "In the animal world, agonistic relationships increase fitness."
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True
True or False? "A small, daily dose of aspirin significantly diminishes the risk of death from a wide range of cancers."
-
True
True or False? "By 2030, climate change will indirectly cause nearly one million deaths a year and inflict US$157 billion in damage."
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True
True or False? "Greenhouse gas concentrations reached record levels in 2009."
-
True
True or False? "Humans should completely stop using fossil fuels."
-
True
True or False? "Climate change will raise average crop productivity until 2020, after which it will decline by 5-10% by 2050."
-
True
Is the climate of the Earth changing?
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Yes
True or False? "Antimatter is inherently unstable."
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False
How old is the oldest known stone axe?
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35,500 years old
True or False? "Plague originated in China 2600 years ago."
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True
True or False? "Extreme drought across most of Earth by 2060"
-
True
True or False? "Sleeping with light on may lead to weight gain"
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True
True or False? "Committees are more effective when they have more female members."
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True
How much oil was spilled into the Gulf of Mexico by the 2010 BP oil spill?
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700 million liters
True or False? "The AIDS virus is a million years old"
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True