Quirks & Quarkswith Bob McDonald

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Why the airline industry might want to lower cockpit CO2 levels

Pilots are much more likely to pass flight manoeuvers when carbon dioxide concentrations are low.

'Climate change is here', but is it to blame for the extreme weather this summer?

Wildfires, record heat, droughts - scientists are parsing through the extreme weather events to determine what exactly is caused by climate change.

Why does eating beets make my urine pink?

Red or bright pink urine after eating beets may occur in people with low stomach acid, according to renal dietician Tanya Choy. But rest assured, it's harmless.

The vampire molecule: Why young blood helps reverse aging

Scientists have identified a ‘master regulator’ in young blood that can mostly reverse aging in the brain.

A baby's cries can predict the sound of their adult voice

Children with finger lengths signalling they were exposed to higher levels of testosterone in the womb showed lower voice pitches in infancy as well as adulthood.

Do lobsters feel pain when we boil them alive?

The Swiss government passed a law stating people can no longer boil a lobster alive. Here's the science behind how the crustaceans may feel pain.

Your rooftop could be sprinkled with cosmic star dust

A jazz musician moonlighting as an amateur scientist discovered cosmic dust falls all around us.

A gene for our big brains was rescued from the DNA garbage bin

It delays brain development and gives more time for neurons to grow.

Do lobsters feel pain when we boil them alive?

The Swiss government passed a law stating people can no longer boil a lobster alive. Here's the science behind how the crustaceans may feel pain.

Why the airline industry might want to lower cockpit CO2 levels

Pilots are much more likely to pass flight manoeuvers when carbon dioxide concentrations are low.

Island birds would likely beat their mainland relatives in a battle of wits

Birds often evolve larger brains once they reach islands, scientists confirm

August 11, 2018 - Climate change attribution for extreme weather, cockpit air quality, and more

Also, predicting adult voices from baby cries, island bird brains bigger than mainland birds, and lobster pain

Why does eating beets make my urine pink?

Red or bright pink urine after eating beets may occur in people with low stomach acid, according to renal dietician Tanya Choy. But rest assured, it's harmless.

A baby's cries can predict the sound of their adult voice

Children with finger lengths signalling they were exposed to higher levels of testosterone in the womb showed lower voice pitches in infancy as well as adulthood.

'Climate change is here' - but is it to blame for the extreme weather this summer?

Wildfires, record heat, droughts - scientists are parsing through the extreme weather events to determine what exactly is caused by climate change.

A baby's cries can predict the sound of their adult voice

Children with finger lengths signalling they were exposed to higher levels of testosterone in the womb showed lower voice pitches in infancy as well as adulthood.

Scientists get a rare glimpse of the brain reorganizing itself after a lobectomy

Doctors removed a baseball-sized chunk of a boy's brain. Then his brain reprogrammed itself to make up for it.

NASA probe set to embark on perilous journey directly into the sun

Launching as early as tomorrow, NASA's first trip to touch a star is a perilous mission, which scientists hope will reveal why it can spark explosions that threaten people in space and disrupt power grids on Earth.

Darn gut bacteria might be thwarting your weight loss efforts

Scientists in the U.S. examined the gut bacteria of obese patients in a weight loss program. And they think they know why some people can have a harder time slimming down than others.

Scientists get a rare glimpse of the brain reorganizing itself after a lobectomy

Doctors removed a baseball-size chunk of a boy's brain. Then his brain reprogrammed itself to make up for it.

Scientists get a rare glimpse of the brain reorganizing itself after a lobectomy

Doctors removed a baseball-sized chunk of a boy's brain. Then his brain reprogrammed itself to make up for it.

Darn gut bacteria might be thwarting your weight loss efforts

The patients who didn't lose weight had bacteria that was more efficient in extracting energy from food.

Sun probe set to embark on perilous journey into the 'heart of the fire'

Humanity's first mission to touch the sun thrills NASA scientists anticipating revelations on why the giant orb gets so hot.

Do fireflies glow just at night or do they glow during the day too?

Fireflies mostly only glow at night because that's when the males are trying to get the attention of female fireflies, according to entomologist Dr. Sandy Smith.

Arctic spiders spinning new food web as climate warms — and that's a good thing

Facing warmer temperatures, wolf spiders are changing up what’s for dinner, and in doing so, lessening the effects of climate change in their ecosystem.