Life Science

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New Cell Structure Discovered: Meet the Hemifusome

Alex Dainis explains how scientists used a 3D microscope called cryo-electron tomography, and discovered the hemifusome, a new part inside animal cells found in humans, monkeys, rats, and mice.
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World’s First Robotic Heart Transplant Without Human Hands

A robotic heart transplant was completed with zero human hands on the tools. This breakthrough used minimally invasive incisions to replace a patient’s heart, without opening the chest cavity.
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Glowing Scorpion?! The Science Behind It

Meet Kronk, an emperor scorpion! He has a hyaline layer, a thin outer coating, filled with compounds that absorb ultraviolet rays and re-emit them as vivid blue-green fluorescence on the visible spectrum.
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This Optical Illusion Tricks Your Brain - Ames Window

In this Ames window illusion, Alex Dainis builds a trapezoid-shaped “window” with precise angles and clever shading that tricks your visual perception into seeing oscillation instead of full rotation.
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Tarantula’s Fluffy but Fierce Defense

Meet Viola, a Honduran curly haired tarantula whose curls hide a surprising defense: she can flick tiny barbed hairs from her abdomen towards a predator’s face, causing irritation to the eyes, nose, or mouth that’s painful enough to stop an attack.
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One Shark. 15 Minutes. Groundbreaking Science!

Chris Fischer, founder of OCEARCH, explains how they have mastered the art of shark research, safely lifting white sharks for tagging, tracking, and real-time health checks.
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How Flowers Use Color to Attract Birds & Bees

How do flowers attract bees that can’t even see red? They’ve evolved visual signals tuned to the eyes of their pollinators.
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Is the 5-Second Rule Real?

Alex Dainis tests out the 5-second rule with this science experiment. The results showed us that even after just two seconds on a seemingly clean floor, bacteria were already on the move.
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Is Your Breath Unique like a Fingerprint?

Insoo Hyun, PhD shares that because your brain controls how you breathe, your nasal airflow is surprisingly unique—like a fingerprint.
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New Breakthrough: Scientists Turn Food Waste Into Plastic Alternative

By feeding fermented food scraps to a bacterium called Cupriavidus necator, researchers at Binghamton University were able to produce a biodegradable material that works like plastic, but breaks down naturally.
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Find Your Dominant Eye with this Simple Test!

Right eye or left eye? Which eye is doing more of the heavy lifting? Alex Dainis shows you how to find out which eye is leading the way—with a simple Eye Dominance Test you can try at home.​​
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Could a Digital Twin Help Save Your Life?

Maynard Okereke explains the research from Weizmann Institute created digital twins from data of 13,000 individuals in an ongoing project designed to span 25 years. These "twins" estimate biological age, identify hidden health risks like prediabetes, and...
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What Happens When a Gecko Loses Its Tail?

You’re about to witness one of the most surprising survival tricks in the animal kingdom—and it starts with a dropped tail. Meet Knox, a leopard gecko who can shed his tail when threatened. But it doesn’t stop there. The tail keeps wiggling on the ground...
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Two Sharks Traveled 4,000 Miles Together

White sharks aren’t known for forming pairs—but Simon and Jekyll are changing that. These two apex predators swam in near-perfect sync for over 4,000 miles (~6,437 kilometers) up the Atlantic coast, after being tagged off the southeastern United States in...
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45:47

Tracking Monkeys in the World’s Harshest Place with Dr. Christopher Schmitt

What can monkey feces tell us about human evolution, climate change, and our health? Dr. Christopher Schmitt, who leads the Primate Ecology and Molecular Anthropology Lab at Boston University, studies “extreme monkeys”—including yellow-tailed woolly...