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Summer Please Explain

The Leonard Lopate Show

What the Sun Does to Your Skin

Friday, July 25, 2014

There really isn’t such a thing as a healthy tan. Here's what's happening to your skin under all that sun — and how to protect yourself.

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The Leonard Lopate Show

It's Not Your Imagination: This Allergy Season Really Is Worse

Friday, May 30, 2014

"Poorly controlled allergies have a negative impact on your love life,” says Dr. Clifford Bassett. And climate change is making it worse.

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The Leonard Lopate Show

Please Explain: Ticks

Friday, August 16, 2013

There are more ticks in more places than ever before, and over the past two decades tick-borne illness has increased, especially in the northeast. Dr. Thomas Mather, director of the University of Rhode Island’s Center for Vector-Borne Disease and its TickEncounter Resource Center, and Dr. Thomas Daniels, Associate Research Scientist and Co-Director of the Vector Ecology Laboratory at Fordham University’s Louis Calder Center, tell us all about ticks, the blood-sucking arachnids that can spread disease and how to protect against tick bites and prevent tick-borne disease.

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The Leonard Lopate Show

Please Explain: Butterflies

Friday, September 07, 2012

Monarch butterflies have started to make their long journey south to Mexico. On this week’s Please Explain, we’ll find out about the many different species of butterflies—from their coloring to their attraction to flowers to their cocoons. We’re joined by Bob Robbins, Curator of Lepidoptera, Smithsonian Institution National Museum of Natural History, and Dr. Cole Gilbert, Associate Professor of Entomology at Cornell University.

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The Leonard Lopate Show

Please Explain: Spiders

Friday, August 24, 2012

This week we'll take a look at the creepy crawly world of spiders. Dr. Norm Platnick, curator emeritus in the Museum’s Division of Invertebrate Zoology, and Hazel Davies, Associate Director of Living Exhibits at the American Museum of Natural History, talk about spiders, which are among the most versatile animals on the planet—they're able to inhabit every continent but Antarctica and are able to survive in environments that range from deserts to rainforests to crowded cities. There's an exhibition at the American Museum of Natural History called "Spiders Alive!" It's on view through December 2.

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The Leonard Lopate Show

Please Explain: Thunder and Lightning

Friday, August 12, 2011

Thunderstorms are one of the most dramatic features of summer, so this week’s Please Explain is all about thunder and lightning storms. Walt Zaleski, Warning Coordination Meteorologist Program Manager, National Weather Service, Southern Region Headquarters, tells us what causes these storms, how they’re tracked and studied, and how the weather works.

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The Leonard Lopate Show

Please Explain: Roller Coasters

Friday, August 05, 2011

This week’s Please Explain is all about roller coasters—from the old classics like the Cyclone to the new wild rides like the Green Lantern! We're joined by two roller coaster experts: Jeffrey Rhoads, Associate Professor at Purdue University's School of Mechanical Engineering,  where he co-teaches a course in the physics of roller coasters, and Jacob Miller, PhD candidate at Purdue University's School of Mechanical Engineering (studying vibration), whose personal passion is the Millennium Force at Cedar Point in Ohio for its combination of "speed" and  "airtime."

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The Leonard Lopate Show

Please Explain: Weeds

Friday, July 22, 2011

Weeds pop up in lawns and gardens and even in cracks in sidewalks. Lars Anderson,  plant physiologist with the USDA-Agricultural Research Service on the campus of UC Davis; and Kristin Schleiter, Curator of Outdoor Gardens and Herbaceous Collections at the New York Botanical Garden, look at the wide variety of weeds, why they seem to thrive everywhere, and ways to eliminate—or accept—them. 

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The Leonard Lopate Show

Please Explain: Jellyfish

Friday, July 08, 2011

A series of new studies has revealed that jellyfish are far more than mindless blobs that can spoil your day at the beach. On today’s Please Explain, Steve Bailey, Curator of Fishes at the New England Aquarium, and Marine Biologist and Chief Aquarist at the Monterey Bay Aquarium Michael Howard discuss why jellyfish are much more complex and interesting than scientists once thought. 

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The Leonard Lopate Show

Please Explain: Sunscreen and the New FDA Rules

Friday, June 24, 2011

The FDA passed new federal regulations on sunscreen labels, to take effect next year. On today's Please Explain Dr. Michelle Hanjani, Assistant Professor of Clinical Dermatology at Columbia University Medical Center tells us what those changes are, what they mean, how sunscreen works, and how much it really protects us from the sun's harmful rays.

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The Leonard Lopate Show

Please Explain: Heat Stroke

Friday, August 06, 2010

This summer’s high temperatures have brought headaches and heat advisories. On today’s Please Explain, we’re taking a look at some of the health risks that extreme heat brings—from dehydration to heat stroke. Dr. Susi Vassallo, Clinical Associate Professor in the Department of Medicine at NYU Langone Medical Center, explains how heat affects the body.

Dr. Susi Vassallo  Clinical Associate Professor in the Department of Medicine at NYU Langone Medical Center

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The Leonard Lopate Show

Please Explain: How Sun Affects Skin

Friday, July 23, 2010

On today’s edition of Please Explain, Dr. Monica Halem, Clinical Associate Professor of Dermatology at Columbia University New York Presbyterian Hospital, discusses what happens to our skin when it’s exposed to too much sun, and how UV rays can cause irreversible damage.

Comments [55]

The Leonard Lopate Show

Please Explain: Lyme Disease

Friday, July 16, 2010

Lyme disease is the most common tick-borne illness in North America, and the number of reported cases has been steadily climbing over the last decade. We’re joined by Dr. Brian Fallon, associate professor of clinical psychiatry and director of the Lyme and Tick-borne Diseases Research Center at Columbia University Medical Center, and Dr. Carolyn Britton, associate professor of clinical neurology at Columbia University Medical Center, and chief neurologist for the Lyme research studies conducted by Columbia’s Lyme and Tick-borne Diseases Research Center. They’ll discuss how the disease is spread, diagnosed, and treated, and how we can protect ourselves while we’re outside this summer.

Comments [38]

The Leonard Lopate Show

Please Explain: Mosquitoes

Friday, July 17, 2009

Mosquitoes are one of the downsides of summer, and they are expected to be especially bad this year due to all the rain this spring. We’ll find out why mosquitoes buzz and bite, how they transmit dangerous diseases, and some ways to get rid of them. Joseph M. Conlon, a ...

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The Leonard Lopate Show

Please Explain: Bees

Friday, June 12, 2009

The honeybees is just one species of bee, and they often get the most attention, but there are an estimated 20,000 different species of bees in the world. Bees play an important role in pollinating plants, and many have highly developed methods of socialization and communication. We'll learn all about ...

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The Leonard Lopate Show

Please Explain: Flowers

Friday, March 20, 2009

Today is the first day of spring, and the first buds and flowers are starting to appear. Here to explain the diversity and scientific complexity of flowers and how to cultivate flower gardens are Dr. Amy Litt, Director of Plant Genomics and Cullman Curator at the New York Botanical Garden, ...

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The Leonard Lopate Show

Please Explain: Fireworks

Friday, June 29, 2007

Today's Please Explain is all about fireworks, just in time for the Fourth of July. Phil Grucci of Fireworks by Grucci. Mr. Grucci is an innovator in the field of pyrotechnics, and he's been responsible for many of the most challenging and progressive pyrotechnic performances around the world, from ...

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