T. Rex May Have Been Almost as Warm as You begins with a clear news idea: Our next story has teeth. Big ones. Scientists studied chemical clues in a 66-million-year-old tooth from a Tyrannosaurus rex. That tooth may help answer a classic dinosaur question: were dinosaurs cold like many reptiles today, or warm like birds and mammals? By looking at chemicals preserved in the tooth, researchers estimated the T. rex’s body temperature. Their result suggested it was close to human body temperature. Your body is usually around 98.6 degrees Fahrenheit, or 37 degrees
Important details from the episode include: Our next story has teeth. Big ones. Scientists studied chemical clues in a 66-million-year-old tooth from a Tyrannosaurus rex.
Strong readers can compare the story with other sources, look for the main claim, and talk about what details made the story trustworthy or surprising.
Important details from the episode include: Our next story has teeth. Big ones. Scientists studied chemical clues in a 66-million-year-old tooth from a Tyrannosaurus rex.
Strong readers can compare the story with other sources, look for the main claim, and talk about what details made the story trustworthy or surprising.