Have a question for Dr. Knowledge? Dr. Knowledge is on KDKA Friday and Saturday nights, midnight-3am. Call 412-333-KDKA (412-333-5352) to be a part of the show. To listen live, click "Listen Online" at the top of this page! To ask Dr. Knowledge your question fill out the form below! Dr. Knowledge will either discuss your question LIVE on the air or reply to you with the answer.
Get Dr. Knowledge ALL WEEK LONG! The weekly Dr. Knowledge Newsletter has so many wonderful stories that give you the news behind the news -- plus many fascinating stories that make you a great conversationalist anywhere. It's full of intriguing stories that give you enjoyable reading for yourself, too!
Subscribers keep telling Dr. Knowledge how much they learn, how much they enjoy and how much they look forward to his newsletter each week.
With an annual subscription, you get a special 10 percent discount and a free Dr. Knowledge book. Or you can start with a 13-week subscription. To get started, call 1-800-NUTSHELL or click here. The weekly Dr. Knowledge Newsletter makes a wonderful gift for birthdays, graduations, holidays -- or yourself!
A few fascinating facts from Dr. Knowledge
+ Barack Obama, at age 47, is the fifth-youngest U.S. president of all time. The presidents inaugurated at a younger age than Obama were Teddy Roosevelt at 42, John Kennedy at 43, Bill Clinton at 46 and Ulysses Grant at 46.
+ Exactly one-half of all U.S. states - 25 of 50 - got their names from American Indian words
+Heinz buys more lycopene-rich tomatoes than any other company in the world - over two million TONS per year - for all their tomato-based products
+Heinz makes over one BILLION bottles of ketchup every year.
Dr. Knowledge's Knowledge Minutes
The Hot Dog's Humble Beginings
Sausages have been around since ancient times, but it was in recent history that someone thought to put it on a bun. Dr Knowledge takes a bite out of history to bring you this "Knowledge Minute."
A Tie for President?
With all that goes into a presidential election, there couldn't possibly be a tie, right? Dr Knowledge leaves no haging chads when he explains how it could happen in this "Knowledge Minute."
The Origin of the Pretzel
You probably figured that pretzels were invented in a Bavarian bakery in Germany, right? Dr Knowledge says there's a twist in the story of how pretzels came to be, and it looks like there was some divine intervention, in this "Knowledge Minute."
The Amazing Mr Roosevelt (Mark, that is)
With a last name like Roosevelt, Pittsburgh Schools Superintendent Mark Roosevelt must be related to some famous Roosevelt, right? Dr Knowledge has the answer on Mrk Roosevelt's lineage in this "Knowledge Minute."
A State That's Not a State
Did you know that there was a state that existed between North Carolina and Tennesee? It's true, and Dr. Knowledge has more in this "Knowledge Minute."
The Elephant and the Donkey
We all know that the GOP's symbol is the elephant, and the Democrats have the donkey- but why? Dr Knowledge knows why, and he explains in this "Knowledge Minute..."
Origin of OK
Many times, the origin of a word or phrase we use everyday is forgetten. Luckily, we have Dr Knowledge to set us right as he looks at the origins of "OK" in this "Knowledge Minute..."
Can A Prisoner Be President?
If you want to be president, but you're in prison, you can't run, right? Seems like it would make sense, but as Dr Knowledge explains, it can and has happened, in this "Knowledge Minute..."
Women On US Money
American currency is filled with Founding Fathers, but what about women? Dr Knowledge has some feminine facts on women on our money, in this "Knowledge Minute."
Stars and Stripes Explained
During the Civil War, there was talk of removing the stars that corresponded to the states that seceded from the union. Dr Knowledge talks about that, as well as the origin of the U.S. flag, in this "Knowledge Minute."
Origin of the Hot Dog
Sausages have been around since ancient times, but it was in recent history that someone thought to put it on a bun. Dr Knowledge takes a bite out of history to bring you this "Knowledge Minute."
More Than One US President in the Same Year?
We elect our presidents every four years, so you would think that there would only be one president in any given year. Not so, says Dr Knowledge, and he says we've had 3 presidents in the same year-- and it's happened twice in US hsitory. Hear the details
Presidents Who Ran For Other Offices
You would think that being president of the United States would be enough for anyone, but surprisingly, some presidents ran for other offices after leaving the presidency. Dr Knowledge has presidential ambitions to answer this "Knowledge Minute."
18 Hole Golf Courses Explained
Ever been on a golf course and wondered why there's 18 holes. Why not 4, or 9, or 42? Dr Knowledge hits a hole-in-one as he explains why we go 18 holes in this "Knowledge Minute."
The Camp David Story
You always hear about Camp David, the special retreat for US presidents, but you may not know how it got its name. Dr Knowledge doesn't rest on his laurels for this "Knowledge Minute."