In earth science, global surface temperature (GST; sometimes referred to as global mean surface temperature, GMST, or global average surface temperature) is calculated by averaging the temperature at the surface of the sea and air temperature over land.

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The Warm-Blooded Megalodon: Geochemistry and Fossil Teeth Illuminate the Prehistoric Predator

Megalodon Was Warm-Blooded

Megalodons Were Warm-Blooded—and It Was a Blessing and a Curse - The giant sharks likely warmed some of their body parts, helping them grow massive but leaving them vulnerable to environmental changes, a new study finds

Megalodon Was Partially Warm-Blooded, New Research Shows

Megalodon may have been warm-blooded unlike most other sharks

Record Warm Atlantic Fuels an Unusual Tropical Storm

Hot Days, Hot Tempers: The Correlation Between Warm, Polluted Days and Dog Bites

New 'warm Jupiter' exoplanet has a weird orbit and another planet may be to blame

Color-changing material shows when medications get too warm

Private Ax-2 astronauts get warm welcome from space station crew (video)

'Warm Ice Age' changed climate cycles

These Sharks Hold Their 'Breath' to Stay Warm

Warm object that crashed into New Jersey bedroom was a 4.5 billion-year-old meteorite "in excellent condition," experts confirm

Hammerhead sharks hold their breath on deep water hunts to stay warm

Hammerhead sharks clamp their gills shut to stay warm on deep dives

Cold-Blooded Secret: Hammerhead Sharks Hold Their Breath To Stay Warm As They Hunt

Warm Oceans and Potential Havens for Life Found in Uranus' Moons

These sharks hold their breath to stay warm in frigid waters

Apparent meteorite crashes through roof of New Jersey home and damages floor: "It was warm"

Warm-up time corrects creativity power imbalance