Why shark teeth are a time machine

The teeth have it.


The next Covid variant could arise in unexpected species

There’s now plenty of evidence that SARS-CoV-2 – the coronavirus that causes Covid-19 – can cross from humans into other animals.

Here Piggy Piggy

Feral hogs study reveals an unexpected consequence of invasive species

We've got way more than 30-50 feral hogs here.

Doggy Drool

Why is my dog green? Viral tweet explains the strange science of drool

Science can help you understand your dog's powerful spit.

Pet Science

Is it OK to let your dog sleep in your bed? The science is complicated

Pet owners and experts discuss the pros and cons of letting your dog share the bed.


An unlikely eavesdropping technology could save the African elephants

Distant rumbles can tell us a lot about the gentle giants.


Shark Week: Why World War II fueled our cultural shark obsession

The temporal depths of “sharkmania” run much deeper than Jaws.


Is weed harmful to dogs? What to do if your dog eats your pot brownie

Not for dogs.

Big boy

Fact-checking the Minnesota goldfish mystery: Scientists explain

They are chunky for a reason.

Chew on This!

Shark Week 2021: 7 weird facts to sink your teeth into

Pet problems

Does my dog love me? Two studies hint at the complicated answer

“Dogs typically are attached to their owners in the same way that an infant is to its parent.”

Just Keep Swimming

Watch an airplane blast live fish into Utah's lakes

The state keeps its lakes full of trout in this peculiar (but safe) way