When Did We Become Warm-Blooded?
Rock&Gem Magazine|December 2022
A New Technique Explores the Question
When Did We Become Warm-Blooded?

We humans and other mammals can regulate our body temperature because we're endothermic (warm-blooded).

This has enabled us to move into all sorts of environmental extremes. No sitting around on a sunbaked rock for us!

Diese Geschichte stammt aus der December 2022-Ausgabe von Rock&Gem Magazine.

Starten Sie Ihre 7-tägige kostenlose Testversion von Magzter GOLD, um auf Tausende kuratierte Premium-Storys sowie über 8.000 Zeitschriften und Zeitungen zuzugreifen.

Diese Geschichte stammt aus der December 2022-Ausgabe von Rock&Gem Magazine.

Starten Sie Ihre 7-tägige kostenlose Testversion von Magzter GOLD, um auf Tausende kuratierte Premium-Storys sowie über 8.000 Zeitschriften und Zeitungen zuzugreifen.

WEITERE ARTIKEL AUS ROCK&GEM MAGAZINEAlle anzeigen
Rockhounding Ohio's Lake Erie Islands
Rock&Gem Magazine

Rockhounding Ohio's Lake Erie Islands

A short ferry boat ride three miles from Ohio’s Lake Erie coastline is South Bass Island, better known as Put-in-Bay or the “Key West of the North.”

time-read
4 Minuten  |
Rockhound Roadtrip 2024
Iowa's Hidden Treasures
Rock&Gem Magazine

Iowa's Hidden Treasures

Exploring Keokuk Geodes: How They're Made & What's Inside

time-read
5 Minuten  |
Rockhound Roadtrip 2024
Agatized CORAL
Rock&Gem Magazine

Agatized CORAL

Florida's Collectible State Stone

time-read
3 Minuten  |
Rockhound Roadtrip 2024
Rockhounding Florida's Beaches
Rock&Gem Magazine

Rockhounding Florida's Beaches

Beachcombing serene stretches of Florida can reveal fascinating finds like fossilized shark teeth, sea glass, quartz, agate and even coral fragments.

time-read
6 Minuten  |
Rockhound Roadtrip 2024
Collecting Staurolite
Rock&Gem Magazine

Collecting Staurolite

Hot Spots In Virginia & Georgia

time-read
3 Minuten  |
Rockhound Roadtrip 2024
Pecos Valley Diamonds
Rock&Gem Magazine

Pecos Valley Diamonds

New Mexico's Ancient Attraction

time-read
4 Minuten  |
Rockhound Roadtrip 2024
12 Tips for Rockhounding Tucson's Greatest Shows
Rock&Gem Magazine

12 Tips for Rockhounding Tucson's Greatest Shows

Tucson in February becomes the international hub for buying and selling colored gems, rocks, minerals and fossils.

time-read
4 Minuten  |
Rockhound Roadtrip 2024
Turquoise in the American Southwest
Rock&Gem Magazine

Turquoise in the American Southwest

A Water & Sky Souvenir

time-read
4 Minuten  |
Rockhound Roadtrip 2024
Touring Colorado's MINERAL BELT
Rock&Gem Magazine

Touring Colorado's MINERAL BELT

It's a Showcase of Mining History & Minerals

time-read
6 Minuten  |
Rockhound Roadtrip 2024
Geology &Colorado's Taurish Traiks
Rock&Gem Magazine

Geology &Colorado's Taurish Traiks

Most of Colorado’s tourist trains today were originally constructed in the late 1800s to serve the state’s lucrative mining operations.

time-read
4 Minuten  |
Rockhound Roadtrip 2024