A weekly feature on The Leonard Lopate Show; airs every Friday at noon
In Please Explain, we set aside time every Friday afternoon to get to the bottom of one complex issue. Ever wonder how New York City's water system works? Or how the US became so polarized politically? We'll back up and review the basic facts and principles of complicated issues across a broad range of topics — history, politics, science, you name it.
Recently in Please Explain
Friday, April 24, 2009
There’s substantial evidence that the earth is undergoing major adjustments as a result of human-made carbon emissions in the atmosphere, but what does climate change
really mean? NASA climate scientist Gavin Schmidt
and photographer Joshua Wolfe
, editors of Climate Change: Picturing the Science
, explain how scientists gather evidence ...
Friday, April 17, 2009
There are more than 20 million substance abuse addict in America today and about 2 million of them turn to residential rehab each year. CNN’s Dr. Sanjay Gupta
joins us to explain the science behind addiction and the toll it takes on individual addicts.
Friday, April 10, 2009
The lives of more than 100,000 patients in the U.S. depend on finding an organ to replace a damaged or diseased one. Only a fraction of people who need a new kidney, liver, or heart actually receive one, but the procedure saves thousands of lives every year. We’ll be joined ...
Friday, April 03, 2009
If it comes to you easily, being able to read is easy to take for granted. But reading is an extraordinarily complex process, one that researchers are still working to understand fully. On today's Please Explain we look at the science of reading. Dr. Sally E. Shaywitz
and Dr. Bennett ...
Friday, March 27, 2009
The term "socialist" has been tossed around in the news lately in reference to any number of Obama Administration policies. Find out what socialism really means, where it came from, and how it got such a bad wrap. Eric Foner
is Dewitt Clinton Professor of History at Columbia University and ...
Friday, March 13, 2009
Friday the 13th is a date that makes some people cringe. Where does superstition come from and why are people all over the world prone to superstitious beliefs? We’ll be joined by Dr. Edmund Kern
, Associate Professor of History at Lawrence University and by Stuart Vyse
, Professor of Psychology at ...
Friday, March 06, 2009
Petroleum (and all of its byproducts) have shaped our world into what it is today. Discover where oil comes from, how it’s refined and how much of it is left in ground on this week's Please Explain. Dr. John B. Curtis
is Professor in the Department of Geology and Geological ...
Friday, February 27, 2009
It may seem like common knowledge that taking vitamins is good for you, but over the last few years several studies have failed to show that vitamin supplements help prevent chronic disease or prolong life. In fact, things like vitamin C, can actually help cancer cells grow. We’ll be joined ...
Friday, February 20, 2009
Feeling Blue? Green with envy? Why not try putting on some rose-colored glasses. On this weeks Please Explain
learn how color can have a tremendous effect on your mood. Dr. Andrew J. Elliot
studies how we respond to color at the University of Rochester. Dr. David Brainard
is professor of ...
Friday, February 13, 2009
More than 35 million people are looking for love right now on the internet. The demand has led to an explosion of internet dating sites. Jennifer Gibbs
is an Assistant Professor of Communications at Rutgers University. Gian Gonzaga
is a research scientist at eHarmony Labs and the UCLA Interdisciplinary Relationship ...
Friday, February 06, 2009
From superstition to simple probability, luck
has different meanings in different cultures. We’ll find out why whether that lucky charm really can help you win the lottery. Richard Wiseman
is a psychology professor at the University of Hertfordshire and author of the book The Luck Factor
Friday, January 30, 2009
Nearly a third of all NYC households are infested with cockroaches. We find out all about roaches, and why they’re among the hardiest species on the planet! Urban entomology specialist Eric P. Benson
is a professor at Clemson University; Richard Cooper
of Cooper Pest Solutions
says he has ...
Friday, January 23, 2009
is all about cold - which many of us may have been feeling lately, with high temperatures rarely going above the 30s lately here in NYC! Dr. John Castellani
is Research Physiologist with the US Army Research Institute for Environmental Medicine. Dr. David Phillips
is one of Canada’s ...
Friday, January 09, 2009
Credit, and its misuse, are major causes of our current economic crisis. On Please Explain
, find out about the pros and cons of credit, how it's evolved in recent years, and what role it can now play in an economic recovery. Jeffrey Blyskal
is a Senior Editor with
Friday, December 19, 2008
‘Tis the season for holiday cookies, cakes, and pies. Find about the chemistry of baking, and why techniques and ingredients really do matter when creating the tastiest baked treats. Chef Katherine Alford
is editor and Test Kitchen Director for the Food Network
; Dorie Greenspan
is a ...
Friday, December 12, 2008
Some diets and supplements claim to work by speeding up metabolism. Find out how metabolism works, why it’s essential to life, and whether food, exercise, and supplements really can accelerate it...or slow it down. Dr. Rosalind Coleman
is Professor of Nutrition and Pediatrics at UNC-Chapel Hill; Marion Nestle
is Professor ...
Friday, December 05, 2008
After water, tea is the most widely-consumed drink in the world. Please Explain is all about tea! Find out why it’s so popular, and how it’s shaped world history. Michael Harney is a tea expert as well as a buyer and blender for Harney & Sons ...
Friday, November 21, 2008
The Sun makes up about 99% of the total mass of the Solar System. Find out what the sun is made of, how hot it is, and why humans couldn’t survive without it. Dr. Grace Wolf-Chase
is an astronomer with Chicago’s Adler Planetarium
and a senior research associate ...