Tusks to Tails
S1 E2

Why Can Dogs Smell Better Than Humans?

By Seeker

Published on 11/24/2020 at 3:41 PM

Dog noses contain roughly 40x the amount of smell receptors as humans — here's how their sniffers can remember precise smells over long periods of time 

More Videos

How Octopuses Think, Feel, and Smell With Their Arms
Tusks to Tails
S1 E9

How Octopuses Think, Feel, and Smell With Their Arms

Octopuses think, feel, and smell with their arms — so scientists are using them as inspiration for innovations in material science, medicine, and soft robotics.

Camel Humps Don’t Store Water, Here’s What's Really Inside
Tusks to Tails
S1 E8

Camel Humps Don’t Store Water, Here’s What's Really Inside

A camel’s hump weighs roughly 35 kilograms, but not from water — here's what’s really inside a camel’s hump.

What Makes a Croc’s Bite So Deadly?
Tusks to Tails
S1 E6

What Makes a Croc’s Bite So Deadly?

Crocodiles have more than 60 teeth, but they don't chew their food — sometimes they have to perform a death roll.

The Secrets Behind the Cheetah’s Speed
Tusks to Tails
S1 E5

The Secrets Behind the Cheetah’s Speed

Cheetahs are the fastest land animals on Earth — here's how their bodies have evolved for speed.

Bats Evolved to Have Superior Immune Systems, Here’s How
Tusks to Tails
S1 E4

Bats Evolved to Have Superior Immune Systems, Here’s How

Bats are known to host some of the world’s deadliest viruses — here’s what makes their immune systems superior.

This Superpower Makes Sharks Amazing Predators
Tusks to Tails
S1 E3

This Superpower Makes Sharks Amazing Predators

Sharks use electricity to sense prey — here’s how.

Why Can Dogs Smell Better Than Humans?
Tusks to Tails
S1 E2

Why Can Dogs Smell Better Than Humans?

Dog noses contain roughly 40x the amount of smell receptors as humans — here's how their sniffers can remember precise smells over long periods of time

What Makes Owl Eyesight So Powerful?
Tusks to Tails
S1 E1

What Makes Owl Eyesight So Powerful?

Owl eyes are specially designed for the dark to spot prey from afar — here's how they see behind themselves and what makes their eyes so powerful.