PODCAST

Lab Rats & Rebels

National Media Archive

Where cutting-edge science meets the curiosity that breaks all the rules.

science

All Episodes

9:25

The Mysterious Roaring Sound in Your Ears

Lab Rats & Rebels ·

2025/09/12

When you close your eyes tightly or yawn, you may hear a low roaring sound in your ears. This is caused by the tensor tympani muscle in the middle ear, which dampens loud internal and external noises to protect your hearing. Some people can voluntarily contract this muscle and hear the sound. It also helps reduce the noise from chewing and shields the ear from damage by muting certain loud sounds, though it can't react fast enough to sudden blasts.Join us on Apple Podcasts or Patreon to

10:29

Understanding Space-Time and Einstein's Relativity

Lab Rats & Rebels ·

2025/09/05

Space and time are traditionally seen as separate dimensions, but Einstein's special relativity theory unified them into four-dimensional space-time. This concept explains how time can slow down at high speeds and how gravity is the result of massive objects warping space-time. Phenomena like gravitational lensing and the movement of celestial bodies are explained through these theories, marking a cornerstone of modern physics.Join us on Apple Podcasts or Patreon to access additional

08:04

How Your Body Turns Food Into Energy

Lab Rats & Rebels ·

2025/08/29

This episode explains how the body converts food, like potatoes, into usable energy via cellular respiration. It covers the three main steps: glycolysis, the Krebs cycle, and oxidative phosphorylation, detailing how glucose is broken down to produce ATP, the cell's energy currency. It also describes the roles of key molecules and enzymes, and highlights the byproducts of respiration, such as CO2, water, and heat, showing how our cells efficiently generate energy.Join us on Apple Podcasts

10:37

The Vital Role of the Lymphatic System

Lab Rats & Rebels ·

2025/08/22

The lymphatic system, a complex network of vessels, nodes, and organs like the spleen and thymus, is crucial for health. It returns excess fluid to the bloodstream, supports immune defenses by filtering bacteria and toxins, and absorbs dietary fats. Movement and exercise help lymph flow, preventing swelling and aiding circulation. Maintaining a healthy lymphatic system is essential for immunity, nutrient absorption, and overall well-being.Join us on Apple Podcasts or Patreon to access

10:46

The Real Dangers of Electric Shock

Lab Rats & Rebels ·

2025/08/15

Electric shocks can range from harmless static zaps to life-threatening incidents. It's not just voltage that kills—it's the current (amperes) passing through the body, influenced by factors like skin resistance, contact points, and exposure duration. Even low voltages can be deadly under certain conditions. Always handle electricity with caution to prevent serious or fatal accidents.Join us on Apple Podcasts or Patreon to access additional resources and explore all topics covered by the

08:44

How Neurons Transmit Signals

Lab Rats & Rebels ·

2025/08/08

Neurons rapidly transmit information in the body using electrical impulses called action potentials. These impulses result from ion movements across neuron membranes, triggered when incoming signals reach a threshold. The process is all-or-nothing, unidirectional, and can be sped up by myelin sheaths. Action potentials allow the brain to quickly respond to sensory input, control movement, and interpret the environment, acting as the brain's digital language.Join us on Apple Podcasts or

13:02

How Forensics Estimate Time of Death

Lab Rats & Rebels ·

2025/08/01

Forensic experts estimate time of death using four main post-mortem signs: pallor mortis (paleness), algor mortis (body cooling), rigor mortis (muscle stiffening), and livor mortis (blood pooling). Each occurs at predictable intervals after death and helps narrow down the timeframe. While these methods aren't perfectly precise, they provide crucial clues for investigations, influenced by factors like environment and clothing.Join us on Apple Podcasts or Patreon to access additional resources

10:28

The Fascinating Story of Radioactivity

Lab Rats & Rebels ·

2025/07/25

Radioactivity was once hailed as a miracle for health, appearing in everyday products, before its dangers were known. Discovered by scientists like Marie Curie, it powers nuclear reactors but also poses serious health risks through ionizing radiation. While accidents like Chernobyl highlight its hazards, radioactivity also benefits medicine, industry, and daily life. Its impact depends on careful management, reminding us of the fine balance between its promise and peril.Join us on Apple

10:17

The Evolution of Atomic Theory

Lab Rats & Rebels ·

2025/07/19

Explore the journey of atomic theory, from Democritus's indivisible atoms to Dalton's experiments, Thomson's 'plum pudding' model, Rutherford's nucleus discovery, Bohr's quantum orbits, and finally Schrödinger's quantum mechanical model. Each breakthrough advanced our understanding of atomic structure, revealing that scientific curiosity drives us to uncover the mysteries of matter. Join us on Apple Podcasts or Patreon to access additional resources and explore all topics covered by the

17:23

Everything You Need To Know About Helicopters

Lab Rats & Rebels ·

2025/07/06

In this episode, we examine how the Wright Brothers’ first powered flight in 1903 laid the groundwork for helicopters and vertical lift aircraft. We detail how manufacturers like Sikorsky, Bell Helicopter, Airbus Helicopters, Leonardo Helicopters, and Russian Helicopters have advanced rotorcraft design. The script explains how helicopters generate lift with spinning blades, manage drag, thrust, and weight, and why they do not need runways. It covers how autorotation works to allow emergency landings

14:19

Quantum Secrets: Entanglement and the Edge of...

Lab Rats & Rebels ·

2025/07/04

This immersive audio story unravels the mind-bending world of quantum entanglement in plain language, weaving everyday scenes—a late-night drive-thru, a secret code between friends, the steady tick of atomic clocks—into the profound mysteries that lurk beneath our reality. You’ll meet Schrödinger’s infamous cat, learn why electrons can spin both ways at once, and discover how entangled particles might shape the future of secure communication, precision timekeeping, and our understanding of

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