3 Huge Discoveries Made During the Covid Pandemic

What new evidence suggests that Spinosaurus was an aquatic animal?

• Its long, narrow jaws and crocodile-like teeth.

• Fossils of its tail showed it was long, flat, upright, and strong, like a newt or crocodile.

• It was found living in rivers in Northern Africa.

• It had gills like a fish.

How did scientists figure out the age of whale sharks?

• By counting the rings on their scales.

• By measuring their length and weight.

• By analyzing Carbon-14 levels in their vertebrae from nuclear tests.

• By observing them in their natural habitat for many years.

What new discovery was made about how malaria parasites time their fever-causing cycles?

• They use the host's daily internal clock (circadian rhythm).

• They have their own biological clock, synced by cues from the host's body.

• They time their cycles based on the amount of red blood cells available.

• They time their cycles based on the time of day.

Which of the following topics was NOT mentioned as a scientific discovery in 2020?

• The aquatic nature of Spinosaurus.

• How to determine the age of whale sharks.

• The timing mechanism of malaria parasites.

• The discovery of a new planet in our solar system.