Science

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Watch The Leonid Meteor Shower This Weekend

Hopefully you don't have anything planned between midnight Saturday and 3 a.m. Sunday because with a clear calendar and clear skies you should be able to catch a glimpse of a few meteors.
- Ruben Kimmelman
Firearms And Dementia: How Do You Convince A Loved One To Give Up Their Guns?

It's estimated that nearly half of all Americans over 65 own a gun or live with someone who does. And 7 million in the U.S. have dementia, a number that's expected to double within two decades.
- Melissa Block
Say Au Revoir To That Hunk Of Metal In France That Has Defined The Kilogram

A small cylinder called Le Grand K has defined the kilogram for more than a hundred years. But if a scratch ever rendered it lighter, the definition of the kilo literally shifted. Time for a change.
- Nell Greenfieldboyce
How Can Schools Better Persuade Students To Show Up For Class?

Many schools give attendance awards to motivate students. A study found students who were awarded for perfect attendance went on to have more absences than their peers who weren't given the award.
- Shankar Vedantam
Zipcode Destiny: The Persistent Power Of Place And Education

There's a core belief embedded in the story of the United States: the American Dream. The possibility of climbing the economic ladder is central to that dream. This week we speak with Raj Chetty, one of the most influential economists alive today, about the state of economic mobility in the U.S. and whether the notion of the American Dream is still useful. For more information about the research in this episode, visit https://n.pr/2z8cvSs.
- Camila Vargas-Restrepo
Should we allow biomedical research on animals?

This year, amid protests, the University of Washington opened a $142 million underground Animal Research and Care Facility. There is strong disagreement about whether the university should be testing its research on animals. We invited the university and a group that protested to talk about the university's animals research.
- Bill Radke
Oregon Students Get Up Close And Personal With Intertidal Creatures

We follow a team of students from the University of Oregon's Institute of Marine Biology as they pry up rocks and wiggle into tight crevices in search of specimens for the Smithsonian Institution.
- Jule Gilfillan
Oregon May Be Over-Hunting Cougars â€” Which Could Cause More Conflicts

A hiker's death led to calls for a cougar cull. But a growing body of research suggests that aggressive killing can lead to more problem encounters with humans, not less.
- Erin Ross
Oldest figurative painting ever found depicts ... a cow

Archaeologists found thousands of drawings and stencils in a warren of limestone caves in remote mountains on the island of Borneo. But no one knew how old they were until now.
- Christopher Joyce
Sounds Like A Winner: What Voices Have To Do With Politics

We're used to the idea that rhetoric sways voters. But what about another element of language: a candidate's voice? This week on Hidden Brain, what happens when our political system and ancient biological rules meet. For more information about the research in this episode, visit https://n.pr/2OZfuGQ.
- Thomas Lu

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