logo
episode-header-image
Jan 2024
11m 34s

Why Big Numbers Break Our Brains

NPR
About this episode
In celebration of our 1000th episode, we're wrapping our heads around big numbers. Educational neuroscientist Elizabeth Toomarian talks about why humans' evolutionarily-old brains are so bad at comprehending large quantities–like the national debt and the size of the universe–and how to better equip ourselves to understand important issues like our finances and the impacts of climate change.

Interested in other ways our brains make sense of the world? Email us at shortwave@npr.org.

Learn more about sponsor message choices: podcastchoices.com/adchoices

NPR Privacy Policy
Up next
Jan 28
How scientists predict big winter storms
This past weekend, Winter Storm Fern struck the States. Sleet, snow and ice battered Americans all the way from New Mexico to New York. Scientists predicted its arrival in mid-January, and in anticipation of the storm, more than 20 state governors issued emergency declarations. B ... Show More
10m 24s
Jan 27
What drives animals to your yard? It's complicated
Listener Shabnam Khan has a problem: Every time she works in her garden, she’s visited by lizards and frogs. Shabnam has lived in the metro Atlanta area for decades, and she says this number of scaly, clammy visitors has exploded over the past few years. Frogs croak at night; liz ... Show More
13m 44s
Jan 26
Iran offline: How a government can turn off the internet
There’s an ongoing, near-total blackout of the internet in Iran. The shutdown is part of a response by the government to ongoing protests against rising inflation and the value of the nation’s currency plummeting. Since protests began more than two weeks ago, only an estimated 3% ... Show More
13m 17s
Recommended Episodes
Jan 2022
Are big-heads smarter?
<p>We live in a world where bigger is often seen as better - and the size of someone's brain is no exception. But a listener in Nairobi wants to know, does size really matter when it comes to grey matter? CrowdScience presenter Marnie Chesterton is on a mission to find out if the ... Show More
28m 26s
Dec 2022
Memory And The Brain
Our brains are magnificently complex - and highly fallible. This hour, neuroscientist and novelist Lisa Genova explains how to keep our brains healthy and what to do when something goes wrong. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Poli ... Show More
50m 9s
Jul 2021
Losing Alaska
<p>As floods, wildfires, and heatwaves hit many parts of the world, signs of climate change seem to be all around us. Scientists have been warning us for years about the looming threat of a warming planet. And yet it’s really hard for many of us to wrap our minds around this exis ... Show More
24m 23s
Aug 2022
Brains
Brian Cox and Robin Ince are joined by comedian Alan Davies and neuroscientists Prof Uta Frith and Prof Sophie Scott. They discover the secret to why humans are such social creatures and why two brains are definitely better than one. Our brains are wired to learn from and mimic o ... Show More
42m 25s
Dec 2021
Why do we find it so hard to take action on climate change?
<p>For decades scientists have warned us about the risks of climate change. Yet humans are badly psychologically designed to face up to the challenge of changing our behaviour. Research shows that constant threats of impending doom make us hit the snooze button rather than waking ... Show More
27m 23s
Apr 2011
Neuromyths: What You Think You Know About Your Brain
<p>We all know the myth that we use only 10% of our brains, but how we know it's a myth in the first place? In this episode, Robert and Julie interview neurosurgeon Dr. T. Glenn Pait and learn how neuroscience is changing the way we think about our brains.</p><p> </p> Learn more ... Show More
23m 45s
Mar 2021
The Theory of a Thousand Brains
<p>In this episode, we talk with Jeff Hawkins—an entrepreneur and scientist, known for inventing some of the earliest handheld computers, the Palm and the Treo, who then turned his career to neuroscience and founded the Redwood Center for Theoretical Neuroscience in 2002 and Nume ... Show More
39m 36s
Jan 2022
Have we got it wrong on Omicron?
Studies using swabs from coronavirus patients seem to contradict earlier findings from cell cultures which showed Omicon replicated faster than earlier variants. As Benjamin Meyer from the centre for Vaccinology at the University of Geneva, explains there may be other reasons why ... Show More
57m 34s