Paul Arnold

Ceratopsians were horned, beaked dinosaurs that once stomped their way all over North America and Asia during the Late Cretaceous period, about 80 million years ago. Their abundance in the fossil records of these continents, ...

Albumin is the most common protein in the blood, a vital molecule produced by the liver that helps maintain fluid balance and transports proteins and hormones. It also plays a key role in fighting off a lethal disease called ...

For more than 70 years, what were thought to be mammoth fossils were tucked away in the archives of the University of Alaska Museum of the North. During the museum's Adopt-a-Mammoth program, which allows the public to sponsor ...

In the aftermath of the giant asteroid that crashed into the Yucatan Peninsula about 66 million years ago, approximately 75% of all species on Earth were wiped out, including the dinosaurs. Among those thought to have perished ...

Artificial intelligence programs are not only helping us tackle complex challenges like diagnosing diseases and predicting weather patterns, but also assisting with more mundane matters such as correcting grammar and planning ...

Two new studies into lizard colors reveal how one species maintains its colorful diversity while others are losing their ancient colors. And the changes are being driven by the biological equivalent of rock-paper-scissors.

Conspiracy theories are one of the banes of the modern world, exacerbated by the internet and social media. What was once relegated to the fringe has now been pushed into the mainstream, actively shaping public discourse ...

Blood cancer is an umbrella term for a variety of diseases that affect the blood, bone marrow and lymphatic system. Like most cancers, the cause is usually mutations in the DNA, which are genetic errors that accumulate as ...

In the shallow waters of the Florida Keys, juvenile Caribbean spiny lobsters are unwittingly meeting their doom by stumbling into naturally occurring ecological traps, according to a new study published in the Proceedings ...

Chess is a relatively simple game to learn but a very difficult one to master. Because the starting positions of the pieces are fixed, top players have relied on memorizing the "best" opening moves, which can sometimes result ...

If you accidentally put your hand on a hot object, you'll naturally pull it away fast, before you have to think about it. This happens thanks to sensory nerves in your skin that send a lightning-fast signal to your spinal ...

One of the main reasons wine traditionally comes in bottles is to protect its quality. Glass is nonreactive, and the cork or screw cap provides an airtight seal that prevents oxygen from spoiling the liquid. In recent years, ...

Scientists have developed a new approach to correcting common quantum computing errors, which could pave the way for more reliable systems.

Humans and dogs have been living together side by side for thousands of years, so you would think we know everything about our four-legged friends by now. But we may not understand them as well as we think we do.

During mating season, when male white-tailed deer want to get noticed by the opposite sex and warn off rivals, they rub their antlers against trees and scrape the forest floor. Then they pee on these patches. But there is ...