Podcast: Double navigation in desert ants, pollution in the brain, and dating deal breakers

Podcast: Double navigation in desert ants, pollution in the brain, and dating deal breakers

News stories on magnetic waste in the brain, the top deal breakers in online dating, and wolves that are willing to “risk it for the biscuit,” with David Grimm. From the magazine How do we track where we are going and where we have been? Do you pay attention to your path? Look for landmarks? Leave a scent trail? The problem of navigation has been solved a number of different ways by animals. The desert-dwelling Cataglyphis ant was thought to rely on stride integration, basically counting their steps. But it turns out they have a separate method of keeping track of their whereabouts called “optic flow.” Matthias Wittlinger joins Sarah Crespi to talk about his work with these amazing creatures. Read the research. [Image: Rooobert Bayer /Music: Jeffrey Cook] Learn more about your ad choices. Visit megaphone.fm/adchoices

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Health care in Malawi after USAID’s end, and a rocky exoplanet with an atmosphere

Health care in Malawi after USAID’s end, and a rocky exoplanet with an atmosphere

First up on the podcast, we continue our coverage of the fallout from cuts to the U.S. Agency for International Development (USAID), this time focusing on how one of the largest recipients of aid is c...

16 Heinä 41min

Owl wars and the immune system’s memory

Owl wars and the immune system’s memory

First up on the podcast, Contributing Correspondent Warren Cornwall goes on an owl hunt in the woods of Northern California. After surviving logging and habitat destruction in the 1990s, the endangere...

9 Heinä 35min

How Antarctica got its ice sheets, and what happens when geopolitical relationships turn chilly in the Arctic

How Antarctica got its ice sheets, and what happens when geopolitical relationships turn chilly in the Arctic

First up on the podcast, relationships turn chilly in the polar research haven of Svalbard in Norway. Senior International Correspondent Richard Stone joins host Sarah Crespi to discuss the impacts of...

2 Heinä 32min

Cracking color vision, U.S. science policy changes, and a trailblazing biography

Cracking color vision, U.S. science policy changes, and a trailblazing biography

First up on the podcast, ScienceInsider editor Jocelyn Kaiser joins host Sarah Crespi to discuss big policy stories from the past month, including a proposal from President Donald Trump’s administrati...

25 Kesä 45min

An electronic nose that detects spoiled chicken, and wolves make a spectacular comeback in Europe

An electronic nose that detects spoiled chicken, and wolves make a spectacular comeback in Europe

First up on the podcast, wrangling wolves in Europe. After near extermination in much of the continent, wolf numbers have surged up to about 20,000 individuals. Contributing Correspondent Gretchen Vog...

18 Kesä 46min

How childhood environments shape the brain, and how susceptible is the Atlantic Ocean’s current to climate change?

How childhood environments shape the brain, and how susceptible is the Atlantic Ocean’s current to climate change?

First up on the podcast, producer Kevin McLean talks with Staff Writer Paul Voosen about the latest on the Atlantic Meridional Overturning Circulation, or AMOC. Researchers have long been concerned th...

11 Kesä 31min

Will AI replace astronomers, how healthy are ultraprocessed foods, and a peek behind the scenes of ‘The Normals’

Will AI replace astronomers, how healthy are ultraprocessed foods, and a peek behind the scenes of ‘The Normals’

First up on the podcast, freelance science journalist Joshua Sokol talks about the intense discussion happening in the astrophysics community as artificial intelligence and machine learning become inc...

4 Kesä 50min

Disembodied human brains, immortal bits of sea cucumber, and fame in Galileo’s time

Disembodied human brains, immortal bits of sea cucumber, and fame in Galileo’s time

First up on the podcast, a company is using whole brains—maintained with specialized life support—to study new drugs. Freelance science journalist Sara Reardon joins host Sarah Crespi to talk about th...

28 Touko 45min

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