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Commentary

Collected Wisdom

Globe readers and experts answer questions

The cold facts on why the sap runs or stops

It's a matter of pressure in the maple tree's cells May 25, 2012 5:53PM EDT

COLLECTED WISDOM

Hot enough for you? Thank the Romans

Plus the twisted logic of telephone cords May 18, 2012 1:52PM EDT

Collected Wisdom

It’s only right for violinists to bow with left

The instrument is made to be played that way May 25, 2012 5:53PM EDT

Collected Wisdom

Do crisper drawers in fridges actually do anything?

The crisper drawer protects fruit and vegetables from the circulation of this cold, dry air May 04, 2012 5:15PM EDT

COLLECTED WISDOM

Do the rules of the road apply on foot?

Finding a right way to just walk on by May 04, 2012 5:14PM EDT

collected wisdom

Don't be fooled: Storm season never ends

And more about left-leaning pilots Apr 06, 2012 5:11PM EDT

COLLECTED WISDOM

How to make a monkey take a pill

Or, why Metallica puts animals to sleep Mar 30, 2012 4:23PM EDT

collected wisdom

Help! The water in my toilet is moving

Don't worry – it's just the stink pipe at work Mar 23, 2012 6:45PM EDT

Collected Wisdom

Why the zigzag between Sask. and Man.?

Blame the 19th-century Dominion Land Survey Mar 16, 2012 7:14PM EDT

Collected Wisdom

Why do we call market trends bulls or bears?

And don't forget those sideways-moving ‘crabs' Mar 09, 2012 3:51PM EST

COLLECTED WISDOM

Does spit really make shoes shine?

A bootblack reveals secrets of the trade Mar 02, 2012 7:26PM EST

Collected Wisdom

Why do fear and trembling go together?

Shakes are part of the fight-or-flight response Feb 24, 2012 4:07PM EST

Collected Wisdom

Is it too chilly outside to use the clothesline?

Time, temperature and humidity are key Feb 17, 2012 6:28PM EST

COLLECTED WISDOM

The cold facts on water for locomotives

Coal-fired stoves prevented freezing Feb 10, 2012 6:40PM EST

Collected Wisdom Philip Jackman

How fast are we all hurtling through space?

The numbers will make your head spin Feb 03, 2012 7:04PM EST

Collected Wisdom

How aboriginal men became ‘braves'

Meanwhile, Caribbean cousins were ‘canibals' Jan 27, 2012 6:08PM EST

Does our immunity live in the blood?

Antibodies are secreted by cells in bone marrow Jan 20, 2012 5:44PM EST

Collected Wisdom

Why you pay more for that organic turnip

Retailers will charge however much they can Jan 13, 2012 4:11PM EST

Collected Wisdom

There's nothing sinister about clinking glasses

Putting to rest the ‘poisoned chalice' theory Jan 06, 2012 5:19PM EST

COLLECTED WISDOM

Why black dominates the squirrel world

It all comes down to a genetic mutation Dec 23, 2011 3:26PM EST

COLLECTED WISDOM

Don't let lightning add to fear of flying

Strikes are rare, generally harmless Dec 16, 2011 5:53PM EST

COLLECTED WISDOM

Thorns can't keep deer from their dinner

They chow on roses without any problem Dec 09, 2011 4:23PM EST

COLLECTED WISDOM

What ever happened to vitamin G?

Walking through the ABCs of nutrients Dec 05, 2011 4:01PM EST

COLLECTED WISDOM

The expanding universe hits a breaking point

Reflections on time, space and infinity Nov 25, 2011 3:17PM EST

Collected Wisdom

How to enter a state of hibernation

Believe it or not, even bears can't do it Nov 18, 2011 5:33PM EST

COLLECTED WISDOM

Ever heard of a freeze-water advisory?

There's a good reason why we boil it instead Nov 14, 2011 11:42AM EST

Collected Wisdom

Which came first: the egg or blood spot?

CW uses some pluck and cracks the case Nov 04, 2011 5:37PM EDT

Collected Wisdom

Spare the lightning rod, spoil your barn

These conductors often do double duty Oct 25, 2011 10:27AM EDT

Collected Wisdom

Are cows really lemmings at heart?

Explanations for herd mentality range from dust to magnetic fields Oct 17, 2011 11:47AM EDT

Collected Wisdom

How long does it take for colds to take hold?

54 hours, 15 minutes, 10 seconds (give or take) Oct 11, 2011 11:27AM EDT

Collected Wisdom

Here's why moths need a good GPS

Their own navigation systems have a fatal flaw Sep 30, 2011 5:27PM EDT

Collected Wisdom

Bread turns hard, but crackers soften. What gives?

It all comes down to the water content Sep 23, 2011 5:33PM EDT

COLLECTED WISDOM

This sensitive subject may make you laugh

What's your pleasure: knismesis or gargalesis? Sep 16, 2011 5:59PM EDT

Collected Wisdom

Mosquitos don't discriminate

There is no special status for aboriginal peoples from the biting insects. Sep 06, 2011 2:39PM EDT

COLLECTED WISDOM

Why does that painting keep staring at me?

It's all a matter of perspective, say our reader experts Aug 26, 2011 7:31PM EDT

COLLECTED WISDOM

Identical twin suspects: call in the CSI crew

You'd better back up that witness's testimony Aug 22, 2011 12:48PM EDT

COLLECTED WISDOM

Ten-hut! Let's set the ranks in order

Why lieutenant outranks major-general Aug 15, 2011 2:49PM EDT

COLLECTED WISDOM

The quest for eternal life, part II

Is anything deathless? Depends who you ask Aug 05, 2011 6:55PM EDT

COLLECTED WISDOM

The good news: You won't necessarily die

The bad news: Your odds aren't great Jul 29, 2011 3:06PM EDT

COLLECTED WISDOM

Here's a case where we kill to be kind

Healing a horse's broken leg can be like torture Jul 26, 2011 2:01PM EDT