Skip to main content
Back to Show
NOVA

Insects Make Protein More Efficiently Than Mammals

Unlike mammals—including those we raise to eat—insects can't generate their own body heat. This physiological difference has a major effect on the quantity of resources they need to grow.

Support Provided By
Season
Ancient Earth: Birth of the Sky
Unlock with PBS Passport
53:47
See how Earth transformed from a barren hellscape to a planet capable of sustaining life.
Your Brain: Who's in Control?
53:31
Dive into the subconscious to see what’s really driving the decisions you make.
Your Brain: Perception Deception
53:30
Neuroscientists discover the tricks and shortcuts the brain takes to help us survive.
Hidden Volcano Abyss
53:19
Investigate one of the most powerful volcanic eruptions in recorded history.
Saving the Right Whale
Unlock with PBS Passport
53:31
Follow scientists determined to save the critically endangered right whale.
Chasing Carbon Zero
53:31
Here’s how the U.S. could reach net-zero carbon emissions by 2050.
Weathering the Future
53:31
Americans use ancient wisdom and new technology to fight extreme weather.
New Eye on the Universe
53:31
See the latest stunning images and discoveries from the James Webb Space Telescope.
Ancient Builders of the Amazon
53:22
Archaeological discoveries reveal traces of ancient civilizations in the Amazon.
Star Chasers of Senegal
Unlock with PBS Passport
53:20
A visionary scientist investigates the deep history of astronomy in West Africa.
London Super Tunnel
53:20
Thousands race to build Europe's biggest construction project–London's new railroad.
Zero to Infinity
Unlock with PBS Passport
53:32
Discover how the concepts of zero and infinity revolutionized mathematics.
Active loading indicator