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Warm-Bloodedness in Mammals May Have Arisen in Late Triassic
Warm-Bloodedness in Mammals May Have Arisen in Late Triassic
Researchers mapped ear canal shape to body temperature to predict when ancestors of mammals first became endothermic.
Researchers mapped ear canal shape to body temperature to predict when ancestors of mammals first became endothermic.
ectotherm
How Slow Can You Go?
Hannah Thomasy, PhD | Jun 23, 2022 | 5 min read
Two studies show negligible rates of aging in some types of turtles and other cold-blooded creatures, but that doesn’t mean they’re immortal.
Most Dinosaurs Were Warm-Blooded After All
Catherine Offord | May 26, 2022 | 2 min read
Endothermy was widespread among both avian and non-avian dinosaurs, a study suggests, so the metabolic strategy is unlikely to account for birds’ survival through the mass extinction event that wiped out their dinosaur cousins.
Image of the Day: Shrinking Dinosaurs
Emily Makowski | Jan 3, 2020 | 1 min read
As dinosaurs got smaller, their metabolism increased, paving the way for bird evolution.
Lizard Secretes Heat
Bob Grant | Jan 25, 2016 | 2 min read
Researchers confirm the unprecedented endothermic abilities of a South American reptile.
Dinos Not Necessarily Cold-Blooded
Hayley Dunning | Jun 27, 2012 | 3 min read
The leading argument for dinosaurs being cold-blooded is overturned as a nearly identical bone structure is found in mammals.