Dare to Know
Dare to Know
David Morton Rintoul
Dare to Know is a podcast published by David Morton Rintoul offering feature stories aimed at those who find meaning in understanding our universe, our place in nature and our humanity.
Planet Formation Clarified by Young Star System
PLANET FORMATION CLARIFIED BY YOUNG STAR SYSTEM Planet formation remains one of the mysteries of astrophysics. Find out how a new study sheds light on the process and offers a new method for future research in the field. This episode is also available as a blog post: http://daretoknow.ca/2021/08/21/planet-formation-clarified-by-young-star-system/ --- Send in a voice message: https://anchor.fm/david-morton-rintoul/message
Aug 22, 2021
6 min
Cosmic Queries – A Review
COSMIC QUERIES – A REVIEW Cosmic Queries is a new book written by Neil DeGrasse Tyson and James Trefil and published by National Geographic. Find out how this book balances education and entertainment in a highly readable volume. This episode is also available as a blog post: http://daretoknow.ca/2021/08/18/cosmic-queries-a-review/ --- Send in a voice message: https://anchor.fm/david-morton-rintoul/message
Aug 22, 2021
5 min
Grizzly Bear DNA Matches Indigenous Human Languages
GRIZZLY BEAR DNA MATCHES INDIGENOUS HUMAN LANGUAGES Grizzly bears and humans have very similar needs in terms of diet and habitat. Find out about a fascinating study’s connection between bear DNA and human language groups in British Columbia. This episode is also available as a blog post: http://daretoknow.ca/2021/08/17/grizzly-bear-dna-matches-indigenous-human-languages/ --- Send in a voice message: https://anchor.fm/david-morton-rintoul/message
Aug 22, 2021
12 min
Hubble Tension May Be Loosening
Hubble tension is the difference in results that scientists get when they try to measure the rate at which our Universe expands. Find out how a new study may have split the difference and loosened the tension between two camps of researchers. This episode is also available as a blog post: http://daretoknow.ca/2021/07/19/hubble-tension-may-be-loosening/ --- Send in a voice message: https://anchor.fm/david-morton-rintoul/message
Jul 22, 2021
5 min
The Sixth Extinction: An Unnatural History – A Review
The Sixth Extinction’ by Elizabeth Kolbert is a Pulitzer Prize winning overview of past and present mass extinctions. Discover why many scientists believe that humans are causing a new era of mass extinction today. This episode is also available as a blog post: http://daretoknow.ca/2021/04/21/the-sixth-extinction-an-unnatural-history-a-review/ --- Send in a voice message: https://anchor.fm/david-morton-rintoul/message
Jul 22, 2021
7 min
Bird Evolution Can Be Surprisingly Fast
Bird evolution has helped scientists understand how natural selection works since the time of Darwin. Find out how a species of birds in Indonesia demonstrated how rapidly evolution can take place. This episode is also available as a blog post: http://daretoknow.ca/2021/07/22/bird-evolution-can-be-surprisingly-fast/ --- Send in a voice message: https://anchor.fm/david-morton-rintoul/message
Jul 22, 2021
6 min
Mars Helicopter ‘Ingenuity’ Takes Flight
The Mars Helicopter Ingenuity made the first powered, controlled flight on another planet today. Discover the challenges the flight overcame and the next steps for the mission. This episode is also available as a blog post: http://daretoknow.ca/2021/04/19/mars-helicopter-ingenuity-takes-flight/ --- Send in a voice message: https://anchor.fm/david-morton-rintoul/message
Apr 20, 2021
6 min
Brain Cells Have Mysterious Self-Organizing Ability
Brain cells have both excitatory and inhibitory roles in transmitting neural signals. Discover how they can adapt within those roles and what that could mean for treating brain disorders. This episode is also available as a blog post: http://daretoknow.ca/2021/04/06/brain-cells-have-mysterious-self-organizing-ability/ --- Send in a voice message: https://anchor.fm/david-morton-rintoul/message
Apr 6, 2021
4 min
Lightning Strikes Vital to Origin of Life
Lightning strikes have played a part in theories on the origin of life since Darwin. Discover how a new study sheds more light on the role of lightning in bringing life to our planet. This episode is also available as a blog post: http://daretoknow.ca/2021/04/03/lightning-strikes-vital-to-origin-of-life/ --- Send in a voice message: https://anchor.fm/david-morton-rintoul/message
Apr 4, 2021
5 min
Dark Energy: Dark Matter Magnetism?
Dark energy is a hypothetical force that scientists rely on to explain why the Universe expands at an accelerating rate. Discover how a new theory challenges dark matter’s existence based on magnetism. This episode is also available as a blog post: http://daretoknow.ca/2021/04/01/dark-energy-dark-matter-magnetism/ --- Send in a voice message: https://anchor.fm/david-morton-rintoul/message
Apr 2, 2021
6 min
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