Dare to Know

Black widow binary stars consist of a neutron star consuming a nearby companion star. Find out how scientists used a new technique to find one of these rare systems, and why their discovery has two other unique characteristics. This episode is also available as a blog post: http://daretoknow.ca/2022/05/05/black-widow-binary-star-found-shortest-orbit-ever/

The diet-size relationship is a universal principle in the animal kingdom that dates back millions of years. Find out how human activity is disturbing that principle's balance and the implications for species extinction. This episode is also available as a blog post: http://daretoknow.ca/2022/04/25/diet-size-relationship-in-animals-disturbed-by-humans/

The UN Human Rights Council adopted a plan of action to combat disinformation last week. Find out why disinformation is more than just a nuisance, it's a threat to human rights and fundamental freedoms. This episode is also available as a blog post: http://daretoknow.ca/2022/04/03/un-human-rights-council-condemns-fake-news-and-hate-speech/

The Hubble Telescope has just located a star that's 12.9 billion light-years away. Find out why this discovery offers new insights into how our Universe began. This episode is also available as a blog post: http://daretoknow.ca/2022/04/10/hubble-telescope-finds-most-distant-star-ever-seen/

Belief in evolution makes us more tolerant of those who seem different from ourselves. Find out how a new study confirms this and encourages teaching evolution in the classroom. This episode is also available as a blog post: http://daretoknow.ca/2022/04/18/belief-in-evolution-promotes-tolerance/

Male dolphins are healthier and live longer when they have a network of male friends. Find out how a new study revealed that this popularity also makes them more likely to find mates. This episode is also available as a blog post: http://daretoknow.ca/2022/03/27/male-dolphins-find-mates-using-wingmen/

The James Webb Space Telescope team has announced that they've completed a key stage in deploying its primary mirror. Find out why NASA now confirms that the telescope's audacious design will deliver on its demanding science goals. This episode is also available as a blog post: http://daretoknow.ca/2022/03/20/webb-telescope-optics-meet-expectations/

This episode is also available as a blog post: http://daretoknow.ca/2022/02/27/planet-with-two-suns-detected-by-ground-based-telescope/

This episode is also available as a blog post: http://daretoknow.ca/2022/02/20/co-worker-support-drives-employee-creativity/

This episode is also available as a blog post: http://daretoknow.ca/2022/02/13/invasive-plants-cause-more-problems-with-climate-change/

This episode is also available as a blog post: http://daretoknow.ca/2022/02/04/moons-may-guide-us-to-life-on-other-planets/

This episode is also available as a blog post: http://daretoknow.ca/2022/01/31/sleep-problems-threaten-nurses-mental-health/

This episode is also available as a blog post: http://daretoknow.ca/2021/09/30/truth-and-reconciliation-day-there-is-no-try/

This episode is also available as a blog post: http://daretoknow.ca/2022/01/22/warmest-eight-years-ever/

This episode is also available as a blog post: http://daretoknow.ca/2022/01/09/james-webb-space-telescope-unfolds-its-mirror/

This episode is also available as a blog post: http://daretoknow.ca/2021/09/26/language-skills-how-do-we-get-them/

This episode is also available as a blog post: http://daretoknow.ca/2021/09/18/coral-reefs-need-reforestation-to-stop-sediment-run-off/

This episode is also available as a blog post: http://daretoknow.ca/2019/05/27/exotic-fourth-state-of-matter-on-the-sun/

This episode is also available as a blog post: http://daretoknow.ca/2022/03/06/ipcc-climate-change-report-upstaged-by-ukraine/

The Langmansoren Woman lived 4,000 years ago in Northeastern Sweden. Find out how an archeological artist has reconstructed her face and forged a human connection with her remains. This episode is also available as a blog post: http://daretoknow.ca/2022/03/13/langmansoren-woman-broght-to-life-after-4000-years/

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/

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/

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/

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/

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/