Quirks & Quarkswith Bob McDonald

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Trump's 'dominance' in space is playing with international space treaty

The principle of non-militarization of space is a oft-breached ideal.

Separating children from parents can negatively affect brain development

When children are traumatically separated from their parents, as we've recently seen with migrants at the U.S. southern border, it does more than just distress children. It can negatively influence the development of their brains, biasing them towards anxiety and fear, and compromising their cognitive development as well.

Dealing with pollution that's not in our face: Bob McDonald

When we can't see it or smell it, we often ignore it

Trump's 'dominance' in space is playing with international space treaty

The principle of non-militarisation of space is a oft-breached ideal

Antarctica's rising bedrock could stabilize the ice melt

Ice is melting and land is rising - the ups and downs of Antarctica

Antarctica's rising bedrock could stabilize the ice melt

Ice is melting and land is rising - the ups and downs of Antarctica

June 23 - Lasting effects of trauma in children's brains and catching criminals with 'bacterial fingerprints'

And why fur seals can get by without REM sleep, how Antarctic is rising, and more

Separating children from parents can negatively affect brain development

Trauma alters neurological development and makes kids anxious and fearful

Seals who sleep with half their brains help explain how humans snooze

When fur seals are in the water for long period of time, they are able to survive without REM sleep for many days or weeks

Identifying criminals by the 'bacterial fingerprints' they leave behind

We leave a trail of these microbes everywhere we go, shedding about 36 million bacterial cells per hour

How long did it take to wipe out the dinosaurs?

Dr. Victoria Arbour from the University of Toronto answers this week's Quirks Question.

Separating children from parents can negatively affect brain development

Trauma alters neurological development and makes kids anxious and fearful

Listening for elephant earthquakes might help us save them from poachers

Low frequency vibrations from elephant footfalls and vocalizations are being monitored using seismic equipment

Trump's 'dominance' in space is playing with international space treaty

The principle of non-militarization of space is a oft-breached ideal

Fastest punch in the world: The mantis shrimp's violent punches harness brains as well as brawn

Mantis Shrimps have the fastest punch on the planet, and they target them with care and control.

To Pluto & beyond! The inside story of a mission to the edge of the solar system

The leader of the New Horizons mission to Pluto talks about his ultimate adventure.

Fear of humans is driving animals into the darkness — and nocturnal life

Animals who can't avoid humans during the daytime take to the nightlife.

Why do Cheerios stick together when they are floating in milk?

Cheerios stick together in a bowl of milk to reduce surface energy or tension that exists in the system.

Incan doctors scraped holes in skulls with stone tools — and the patients survived

Skull surgery performed with stone tools during the time of the Inca Empire was remarkably successful.

To Pluto and beyond! The inside story of a mission to the edge of the solar system

Chasing New Horizons: Inside the Epic First Mission to Pluto details the ups and downs, close calls and triumphs in the historic flyby of Pluto.

Incan doctors scraped holes in skulls with stone tools — and the patients survived

Skull surgery performed with stone tools during the time of the Inca Empire was remarkably successful

Incan doctors scraped holes in skulls with stone tools - and the patients survived

Skull surgery performed with stone tools during the time of the Inca Empire was remarkably successful.

Stephen Hawking's information sent into a black hole

A radio broadcast including his voice and tribute music was sent into space.

Newfoundland's cod comeback faces a setback — is fishing to blame?

The northern cod stock dropped by 30% last year — and fishing quotas have been reduced

Fear of humans is driving animals into the darkness — and nocturnal life

Animals who can't avoid humans during the daytime take to the night-life