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Question for readers to answer:
Can an average person develop the skill to reliably detect liars?
To clarify: this question is similar to - Can an average person
improve at hiding and detecting 'tells' in poker? Also, consider only
deliberate lies intended to harm another and, please, expound on the reasons
backing your answer.
Deadline: June 29, 2009. We will publish the best answers on
July 13.
You get the credit.
Click here to give me your answer:
Answer
the question.
Interacting with nature by
K:
How to Offer Wild Birds Shelter in the Winter
Not all birds migrate south for the
winter. Winter is a hard season for birds, and many risk freezing to death
at night. It doesn't take much effort or money to provide shelter for them,
and it can make a huge difference to the little feathered guys!
More Articles >>
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Monday
June 8, 2009 |
Monthly column on science mysteries |
It can happen. But scientists have yet to figure out
exactly why
Which freezes faster cold water or boiling water?
Hailey, Sprighill, Florida
 Usually cold water freezes before hot, as Newton
theorized in 1701. But, hot water even boiling water can
freeze faster than cold.
You Tube shows a
video of
university student Jim Sage on top of Mount
Washington in heavy winter clothes boiling water on
a small alcohol stove in the -34.8 F (-37.1 C) cold. Jim lifts the pot,
and tosses boiling-hot water up then watches it snow down, like a blizzard, all around him. That's fast freezing, but faster than cold water? It can
happen, as Erasto B. Mpemba discovered in 1967...
Click
to continue
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Top 10 Q&A
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Top 10 Animal Q&A |
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 Which way should a fan rotate during which season? Fans
come with a forward and a reverse setting. When you click it to "forward", the
fan blows the air down. Standing under the fan, you will feel a...
More on ceiling fans how to tell which way is 'forward'
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 Which animals have the longest and the shortest lifespans?
The giant
tortoise lives the longest, about 177 years , and the gastrotrich (aquatic
animal) lives the shortest three days.
This question brings up intriguing matters about life and death...
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Which animals have the longest and the shortest lifespans?
The giant
tortoise lives the longest, about 177 years , and the gastrotrich (aquatic
animal) lives the shortest three days.
This question brings up intriguing matters...
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 Chameleons: How do they
change color and know which color to change to?
Chameleons, evolved: Did chameleons always change color or did
they develop the ability over time?
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-
 Can
eye color change as we
age?
Eye color
mocks easy rules. Mom has green eyes, Dad blue. How did I get brown?
What exactly
are hazel eyes, and what color are they?
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 Which animals mate for life?
Gibbon apes, wolves, termites, coyotes, barn owls, beavers, bald eagles,
condors, swans, angel fish, are a few that mate for life.
Of course, it depends on what you mean by "mate for life..."
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Swamp coolers: What the heck is a swamp cooler and how does it work?
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What
is the average size U.S. woman (and man)?
How
about British, USA, Canadian and Mexican men and women sizes?
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Which animals mate for life?
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Hydrogen peroxide: How does hydrogen peroxide "know" germs and fizz when it
comes into contact with them?
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Chameleons: How do they
change color and know which color to change to?
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Does
alcohol kill brain cells?
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Does the Moon
rotate? Why do we always see the same side of the Moon?
Human questions >>
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Most poisonous creature (We thought.)
The
real most poisonous animal, found!
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Dying bugs: Why do bugs turn over onto their backs when they are ready to
die?
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Ladybugs: do ladybugs come
from a nest?
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Why do dogs eat grass?
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Flies:
I was wondering how long a house fly lives
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I've heard that dolphins and sharks are natural enemies. If this is so, why?
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Octopuses: How do blue-ringed octopuses breathe? How poisonous are
they?
More animal questions >>
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Recent posts |
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Astronomy |
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 Does the
Moon rotate? Why do we always see the same side of the Moon? The Moon, of
course, rotates--at the same speed as it orbits the Earth. So,
in the 27.32 days it takes the Moon to go around Earth, the Moon also spins
about its axis one full revolution. That's why we always see the same face of
the Moon.
Now, the interesting part: why does the Moon spin about its axis at
the same rate it orbits? In the distant past, the Earth's tidal pull on
the Moon slowed... |
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