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Natural Sciences · David Morton Rintoul

Dare to Know

by 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.

Latest episodes

Showing 20 · updated from the feed

WISHFUL THINKING LEADS TO POOR DECISION MAKING

Wishful thinking, or dismissing beliefs that make us uncomfortable, even if they’re true, is a common human weakness. Find out how a new study examined how we tend to avo

Apr 6 2024
6 min

Ice Cap Melting Affects Global Timekeeping Systems

Ice cap melting is one of many adverse results of global warming and climate change. Find out how the flow of meltwater from Earth’s poles to its equator is affecting our

Mar 30 2024
7 min

Milky Way’s Origins Revealed Using Gaia Observatory

The Milky Way’s origins have puzzled scientists since we first realized its one of countless galaxies in our universe. Find out how scientists have applied information fr

Mar 23 2024
6 min

Memory Depends on ‘Spacing Effect’ and Variation

Memory has puzzled scholars since the dawn of civilization. Find out how new research shows that spacing out study periods, along with varying the context of the item we’

Mar 15 2024
6 min

Bumblebee Hives Can Progress Through Shared Learning

Bumblebee hives can provide fascinating insights into animal behaviour in groups. Find out how a new study suggests that bees can learn complex, multi-step tasks through

Mar 8 2024
6 min

Odysseus Lunar Lander Completes Mission Despite Setbacks

Odysseus is the name of the first American spacecraft to land on the moon in 52 years. Find out how its missions succeeded despite enduring and overcoming some demanding

Mar 6 2024
6 min

Robots With AI Also Need Physical Intelligence

Robots with AI (artificial intelligence) are emerging as developers combine large language models (LLMS) with autonomous devices. Find out why they’re discovering that it

Feb 24 2024
7 min

Migratory Species Face Risk of Extinction

Migratory species are the subject of a new report presented at the United Nations this week. Find out why populations of migratory animals are declining, and what scienti

Feb 17 2024
7 min

Black Holes and Galaxies Coexisted in the Early Universe

Black holes and galaxies existed together during the first one percent of our universe’s existence. Find out why this upends conventional thinking on how stars, galaxies

Feb 10 2024
6 min

Brain Cells Organize Using Unexpectedly Simple Principles

Brain cells have a remarkable capacity to organize themselves. Find out how a new study explains the strikingly simple networking processes behind these vital connections

Feb 3 2024
7 min

WHITE RHINO EXTINCTION AVOIDABLE THROUGH EMBRYO TRANSFER

White rhino extinction has reached the point where there are only two of the animals left on Earth. Find out how a team of veterinarians and conservationists has found a

Jan 28 2024
7 min

Artemis II Lunar Mission Postponed by NASA

Artemis II is NASA's planned, crewed mission to return to the moon. Find out why NASA has rescheduled the space flight and the delay’s implications for an eventual crewed

Jan 22 2024
7 min

Cultural Evolution May Be Blocking Ecological Solutions

Cultural evolution refers to the way humans create tools and social systems to adapt to and shape their environments. Find out how the tension between our cooperative and

Jan 19 2024
7 min

Photosynthesis Evolution Clarified by Studying Bacteria Fossils

Photosynthesis evolution remains a mystery to biologists. Find out how a new study sheds light on our understanding of this critical organic process by pushing the timeli

Jan 18 2024
6 min

Military Space Plane Launch Risks International Conflict

A military space plane called the Boeing X-37B blasted off from the Kennedy Space Center this week. Find out more about its secretive mission, and why it creates unnecess

Dec 30 2023
8 min

Prehistoric Herders More Sophisticated Than Scientists Realized

Prehistoric herders in the high mountains kept small, diverse animal herds. Find how a new study reveals that their animal husbandry practices were far more sophisticated

Dec 24 2023
7 min

COP 28 Results: Accomplishments, Failures and Controversy

COP 28 was a UN conference on climate change that wrapped up this week. Find out why many observers believe the results don’t go far enough and that the parties’ commitme

Dec 17 2023
6 min

Heaviest Chemical Elements Created by Ancient Stars

The heaviest chemical elements in the universe come from neutron stars. Find out how a new study shows that this process creates heavier atoms than anything we experience

Dec 9 2023
7 min

Sense of Smell Predicted by Artificial Intelligence

Our sense of smell is often overlooked when we consider the tidal wave of artificial intelligence applications. Find out how a new machine-learning model can predict how

Dec 2 2023
6 min

COP 28: Frustration, Scepticism, Faint Trace of Hope

COP 28 is the upcoming UN conference on climate change. Find out why the mood leading into this global gathering is a blend of frustration, scepticism and just a faint tr

Nov 25 2023
7 min

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Where Dare to Know ranks today in each Apple Podcasts chart (US, Nov 3, 2026).

#162 ▼ 22 Natural Sciences US

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Here you find the Apple Podcasts chart positions of Dare to Know, its latest episodes to listen to directly, and reviews from listeners. Rankings are updated daily for the United States.

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