When humans are happy, they may smile, or laugh, or dance - but what do animals do? Melissa, age 12, wants to know how she can tell if her cat is happy and likes you.
Southpaws seem to be more common among cats and dogs than humans.
Eric Isselee/Shutterstock.com
The animal kingdom is full of lefties and righties, although rarely is the ratio skewed as much as it is in humans. If you’re wondering about your own pet, you can find out with a simple experiment.
Untitled design.
Ondrej Prosicky / Shutterstock.com
Bees sting other animals, including humans, when they think there might be a threat to their hive. But Evie, age 8, wonders if bees ever accidentally sting other bees.
Isiah Courtney carries his dog Bruce through flood waters from Tropical Storm Harvey in Beaumont Place, Houston, Texas, U.S., on August 28, 2017.
REUTERS/Jonathan Bachman
Bugs use their own defecation to defend their young, locate their homes and increase mating opportunities. For humans, insect faeces may even have untapped medicinal properties.
Color-changing cells in an Atlantic squid’s skin contain light-sensitive pigments.
Alexandra Kingston
Thomas Cronin, University of Maryland, Baltimore County
We’re used to thinking of our eyes detecting light as the foundation of our visual system. But what’s going on in other cells throughout the body that can detect light, too?
If frogs can glow in the dark and cockroaches can change history, why couldn’t dog-birds exist?
Chris Goldberg / flickr
There’s a terrifying species that spreads rapidly, breeds prolifically and eats hundreds of plants. But the first research into the actual harm caused by giant African land snails found … not much.
A four-year puzzle has ended with the discovery of a new species of sunfish. These famously strange-looking animals are the largest bony fish in the oceans.
Nearly one-third of tropical animal species face extinction if humans do not curb our growing appetites for beef, pork and other land-intensive meats. The Panamanian golden frog bred by the Vancouver Aquarium in this 2014 file photo may be extinct in its natural habitat.
(THE CANADIAN PRESS/Darryl Dyck)
As much as one-third of animal species in the tropics could be eradicated if their habitats continue to be converted for monoculture farming. We can all do something to make a difference.
Researchers identified simple behavioral rules that allow these tiny creatures to collaboratively build elaborate structures, with no one in charge.
Tabatha Bundesen’s pet Tardar Sauce became an Internet sensation known as “Grumpy Cat” for a resting facial appearance that resembles a look of dissatisfaction. Now, scientists are starting to be able to read animal emotions from their expressions.
(AP Photo/Richard Vogel)
Scientists are beginning to link animal facial expressions to emotions, making it possible for us to understand how they feel.
It can be easier to raise money to aid animals like these African elephants than species that are more threatened with extinction but get humans less excited.
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Must the money raised to save wildlife always aid the most popular animals? New research suggests that marketing can persuade donors that northern hairy-nosed wombat lives matter too.
Professor, Management and Organizational Studies, Huron University College and Coordinator of Animal Ethics and Sustainability Leadership, Western University