Now Playing on CBC Radio Help Refresh

CBC Radio One

Listen Live Ottawa change

CBC Radio 2

Listen Live Eastern change

CBC Radio 3

Listen Live Radio 3
Quirks and Quarks - The Poop on MammothsNov 28, 2009 | 8:52Quirks and Quarks The Poop on Mammoths Audio
Quirks and Quarks The Poop on Mammoths Nov 28, 2009 | 8:5215,000 years ago North America was home to a wide variety of giant mammals, including mammoths, mastodons and giant ground sloths. But by 10,000 years ago, these megafauna were gone.
Quirks and Quarks - Pipefish DadsNov 28, 2009 | 8:46Quirks and Quarks Pipefish Dads Audio
Quirks and Quarks Pipefish Dads Nov 28, 2009 | 8:46In the broad-nosed pipefish world, it is the male who gets pregnant. After he fertilizes as many as 100 of the female's eggs, he takes them into a brood pouch on his tail, until he hatches them several weeks later.
Quirks and Quarks - Taking Leave of the MAPLE ReactorsNov 28, 2009 | 22:42Quirks and Quarks Taking Leave of the MAPLE Reactors Audio
Quirks and Quarks Taking Leave of the MAPLE Reactors Nov 28, 2009 | 22:42When news that the Chalk River reactor, the world's biggest single supplier of medical isotopes, might be closed for much longer than expected, the world held its breath. But ironically, an alternative source for the production of medical isotopes was sitting idle, just down the road from the aging Chalk River reactor.
Quirks and Quarks - Countdown to CopenhagenNov 21, 2009 | 16:54Quirks and Quarks Countdown to Copenhagen Audio
Quirks and Quarks Countdown to Copenhagen Nov 21, 2009 | 16:54In 2 weeks time, representatives from 193 countries will gather in Copenhagen, Denmark, for the 15th United Nations Conference on Climate Change. The goal of the conference is to establish a global climate agreement, to replace the Kyoto Protocol, which expires in 2012.
Quirks and Quarks - A Crocodile WorldNov 21, 2009 | 10:13Quirks and Quarks A Crocodile World Audio
Quirks and Quarks A Crocodile World Nov 21, 2009 | 10:13Dr. Hans Larsson is part of a team that has just identified five species of crocodilians that lived about 100 million years ago, and are very different from modern crocs. Some had long legs and galloping stride, some were probably at least partial herbivores, and they were well adapted for living on land, and some were even more fearsome predators than modern crocodiles.
Quirks and Quarks - Accent On CryingNov 21, 2009 | 8:04Quirks and Quarks Accent On Crying Audio
Quirks and Quarks Accent On Crying Nov 21, 2009 | 8:04We know that when a new born baby cries, it is trying to send an alert or signal. But new research led by Dr. Kathleen Wermke suggests those cries can tell us more.
Quirks and Quarks - Vampire SpidersNov 21, 2009 | 8:23Quirks and Quarks Vampire Spiders Audio
Quirks and Quarks Vampire Spiders Nov 21, 2009 | 8:23Jumping spiders are generally best known for their vision, not sense of smell. But Dr. Simon Pollard has found one in East Africa that lusts after a particular smell - blood!
Quirks and Quarks - Name Your PoisonNov 21, 2009 | 8:41Quirks and Quarks Name Your Poison Audio
Quirks and Quarks Name Your Poison Nov 21, 2009 | 8:41Dr. Hopi Hoekstra has been trying to understand the Northern Short-tailed shrew, which is a small and innocuous mammal with one fascinating feature: it's one of the few mammals with a toxic bite.
Quirks and Quarks - CSI: MesopotamiaNov 14, 2009 | 10:19Quirks and Quarks CSI: Mesopotamia Audio
Quirks and Quarks CSI: Mesopotamia Nov 14, 2009 | 10:19In the 1920's human remains were excavated from the Royal Tombs of Ur in present day Iraq. When a king or queen died, those who served the dead royalty were to provide continued service in the afterlife. Now, new research suggests something more grisly.
Quirks and Quarks - Dinosaurs Run Hot Not ColdNov 14, 2009 | 7:54Quirks and Quarks Dinosaurs Run Hot Not Cold Audio
Quirks and Quarks Dinosaurs Run Hot Not Cold Nov 14, 2009 | 7:54The question of whether dinosaurs were warm blooded or cold blooded has been hotly debated in the paleontology community. It's an issue that has significant implications for understanding much about dinosaurs, including how active they were, what temperatures they might thrive in and how much food they would have required.
Quirks and Quarks - Nazca DemiseNov 14, 2009 | 9:46Quirks and Quarks Nazca Demise Audio
Quirks and Quarks Nazca Demise Nov 14, 2009 | 9:46The Nazca culture, a pre-Inca civilization that flourished in southern Peru for hundreds of years, is probably best known for its creation of the mysterious Nazca Lines, etched into the desert sand. But a greater mystery is why the Nazca culture was so devastated by an El Nino event around the year 500.
Quirks and Quarks - Singing WingsNov 14, 2009 | 9:57Quirks and Quarks Singing Wings Audio
Quirks and Quarks Singing Wings Nov 14, 2009 | 9:57More than a decade ago, Dr. Kim Bostwick first heard the unique song of the Club-winged Manakin, a small South American bird. What was interesting was how the bird made it - without using its vocal apparatus.
Quirks and Quarks - Natural NukesNov 14, 2009 | 8:42Quirks and Quarks Natural Nukes Audio
Quirks and Quarks Natural Nukes Nov 14, 2009 | 8:42Humans have to work quite hard to start a nuclear reaction. We have to find the appropriate fuel, purify it, concentrate it and (we hope) contain it. Nature, however, might have done all this quite easily, billions of years ago.
Quirks and Quarks - Paying Off Sleep Debt: Fact or FictionNov 14, 2009 | 5:19Quirks and Quarks Paying Off Sleep Debt: Fact or Fiction Audio
Quirks and Quarks Paying Off Sleep Debt: Fact or Fiction Nov 14, 2009 | 5:19From time to time, we present a commonly held idea or popular saying and ask a scientist to set us straight on whether we should believe it. Today's popular belief is: "A person can pay off sleep debt by sleeping in on weekends."
Quirks and Quarks - Disappearing Snows of KilimanjaroNov 7, 2009 | 10:53Quirks and Quarks Disappearing Snows of Kilimanjaro Audio
Quirks and Quarks Disappearing Snows of Kilimanjaro Nov 7, 2009 | 10:53When Hemmingway wrote "The Snows Of Kilimanjaro", he could not have imagined that the "snows" would become a thing of fiction themselves. According to research done by Dr. Lonnie Thompson the famous ice peaks of the Kilimanjaro will disappear completely in the next two decades.

2 of 8