Is Noah's ark a fable, or fact?

Is there a "mega-mind" who might be God?

Does your conscience ever bother you? Where did it come from?

Does evolution make atheism credible? Ask Darwin's close friend.

Darwin's partner thought evolution wasn't as smart as Darwin thought.

Was Darwin an atheist? Why is there a variety of life on Earth with very many different species?

Have some people made evolution a god? Is evolution a credible substitute for God?

What's more complex than a rocket traveling to the moon? Could it be something in your own house?

Astronaut Charlie Duke helped to rescue Apollo 13 crew, then walked on the moon in Apollo 16.

Your brain can do more than you think.

Your 3-pound brain has a ton of intelligence!

Is that bite you just took, nutritious or poisonous? Your body decides and processes it accordingly.

Quietly and inconspicuously, your twin kidneys keep you alive and clean.

You know your skin beautifies your face. But what else does it do?

The heart is so essential, no wonder the essence of anything is "the heart of the matter!"

If you think lungs are just inflatable balloons, today's program will blow you away!

What a fantastic body you have!

What is the one weakness of the Resurrection?

What clues point to the Theory of Everything? Does God satisfy that job description?

No one saw the killing. What good is circumstantial evidence?

Does Christianity help or hinder women, minorities, and society in general? You can access all Truth in the Test Tube episodes by clicking here.

When we squeeze ideas that claim to be truth, which ones crack?

How does God avoid confusing your prayer and mine?

What evidence can a detective find, that Jesus came back to life?

What facts about the death and the alleged return to life of Jesus, can a homicide detective verify?

Accepting what "everybody knows" can blind us to discovering something new.

A workaholic learns to cherish his wife and children.

Hazards and humor of flying to the moon.

The God that we detect in nature, also detects us. And he holds us responsible for the fact that we have discovered him.

Dr. & Mrs. Quicke summarize the previous 50 episodes. Next time will be their finale, but Truth in the Test Tube will continue.

How much faith do you need to be an atheist?

Patients teach their doctor a valuable lesson.

When new medical treatments become available, how can we make sure they are not used in unethical or harmful ways?

Print out the instructions to make one cell of your body, and you need a printout the height of the Washington Monument!

How do we know the Earth orbits around the sun? Can we really prove it?

Some couples would die if they didn't have each other. Others simply live much better because they're couples.

If Einstein and Beethoven describe a sunset differently, who is right?

How was Jesus born without an earthly father?

One possible explanation of what heavenly bodies God may have used, as the "star" that led the Wise Men to Jesus.