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African elephants address one another with name-like calls − similar to humans

African elephants

What’s in a name? People use unique names to address each other, but we’re one of only a handful of animal species known to do that, including bottlenose dolphins. Finding more animals with names and investigating how they use them can improve scientists’ understanding of both other animals and ourselves. […]

African elephants address one another with name-like calls − similar to humans Read More »

What’s in a name? People use unique names to address each other, but we’re one of only a handful of animal species known to do that, including bottlenose dolphins. Finding more animals with names and investigating how they use them can improve scientists’ understanding of both other animals and ourselves.

Why don’t female crickets chirp?

Insects communicate in lots of different ways, for many reasons. Some, such as butterflies and beetles, use color, patterns and other visual cues to attract mates or warn potential predators that they don’t taste very good. Others, like fireflies, use bioluminescence – light that they produce in their bodies –

Why don’t female crickets chirp? Read More »

Insects communicate in lots of different ways, for many reasons. Some, such as butterflies and beetles, use color, patterns and other visual cues to attract mates or warn potential predators that they don’t taste very good. Others, like fireflies, use bioluminescence – light that they produce in their bodies –

How does the brain think?

Businessman Thinking

Have you ever wondered how your brain creates thoughts or why something randomly popped into your head? It may seem like magic – but actually the brain is like a supercomputer inside your head that helps you think, learn and make decisions. Imagine your brain as a busy city with

How does the brain think? Read More »

Have you ever wondered how your brain creates thoughts or why something randomly popped into your head? It may seem like magic – but actually the brain is like a supercomputer inside your head that helps you think, learn and make decisions. Imagine your brain as a busy city with

Why Don’t Whales Have Teeth Like We Do?

A Humpback Whale

Great question, Henry. Your teeth are an important part of your body. They help you chew your food so you can eat and grow strong. But if you ever thought about inviting a whale for dinner, think again! It’s true, some whales are toothless – but not all of them.

Why Don’t Whales Have Teeth Like We Do? Read More »

Great question, Henry. Your teeth are an important part of your body. They help you chew your food so you can eat and grow strong. But if you ever thought about inviting a whale for dinner, think again! It’s true, some whales are toothless – but not all of them.

Why do bees have queens? 2 biologists explain this insect’s social structure – and why some bees don’t have a queen at all

Bees

When you think “bee,” you likely picture one species that lives all over the world: the honey bee. And honey bees have queens, a female who lays essentially all of the eggs for the colony. But most bees don’t have queens. With about 20,000 species of bees worldwide – that’s

Why do bees have queens? 2 biologists explain this insect’s social structure – and why some bees don’t have a queen at all Read More »

When you think “bee,” you likely picture one species that lives all over the world: the honey bee. And honey bees have queens, a female who lays essentially all of the eggs for the colony. But most bees don’t have queens. With about 20,000 species of bees worldwide – that’s

How is snow made? An atmospheric scientist describes the journey of frozen ice crystals from clouds to the ground

Snow

The thought of snow can conjure up images of powdery slopes, days out of school or hours of shoveling. For millions of people, it’s an inevitable part of life – but you may rarely stop to think about what made the snow. As a professor of atmospheric and planetary sciences,

How is snow made? An atmospheric scientist describes the journey of frozen ice crystals from clouds to the ground Read More »

The thought of snow can conjure up images of powdery slopes, days out of school or hours of shoveling. For millions of people, it’s an inevitable part of life – but you may rarely stop to think about what made the snow. As a professor of atmospheric and planetary sciences,

Several companies are testing brain implants – why is there so much attention swirling around Neuralink? Two professors unpack the ethical issues

Brain-computer interfaces

Putting a computer inside someone’s brain used to feel like the edge of science fiction. Today, it’s a reality. Academic and commercial groups are testing “brain-computer interface” devices to enable people with disabilities to function more independently. Yet Elon Musk’s company, Neuralink, has put this technology front and center in

Several companies are testing brain implants – why is there so much attention swirling around Neuralink? Two professors unpack the ethical issues Read More »

Putting a computer inside someone’s brain used to feel like the edge of science fiction. Today, it’s a reality. Academic and commercial groups are testing “brain-computer interface” devices to enable people with disabilities to function more independently. Yet Elon Musk’s company, Neuralink, has put this technology front and center in

Your heart changes in size and shape with exercise – this can lead to heart problems for some athletes and gym rats

Woman doing exercise

Exercise has long been recognized by clinicians, scientists and public health officials as an important way to maintain health throughout a person’s lifespan. It improves overall fitness, helps build strong muscles and bones, reduces the risk of chronic disease, improves mood and slows physical decline. Exercise can also significantly reduce

Your heart changes in size and shape with exercise – this can lead to heart problems for some athletes and gym rats Read More »

Exercise has long been recognized by clinicians, scientists and public health officials as an important way to maintain health throughout a person’s lifespan. It improves overall fitness, helps build strong muscles and bones, reduces the risk of chronic disease, improves mood and slows physical decline. Exercise can also significantly reduce

Bacteria in your gut can improve your mood − new research in mice tries to zero in on the crucial strains

mouse

Probiotics have been getting a lot of attention recently. These bacteria, which you can consume from fermented foods, yogurt or even pills, are linked to a number of health and wellness benefits, including reducing gastrointestinal distress, urinary tract infections and eczema. But can they improve your mood, too? Behavior and

Bacteria in your gut can improve your mood − new research in mice tries to zero in on the crucial strains Read More »

Probiotics have been getting a lot of attention recently. These bacteria, which you can consume from fermented foods, yogurt or even pills, are linked to a number of health and wellness benefits, including reducing gastrointestinal distress, urinary tract infections and eczema. But can they improve your mood, too? Behavior and

Why do people and animals need to breathe? A biologist explains why you need a constant source of oxygen

Swim

You need to breathe for the same reason you need to eat: It helps you make the energy your body requires. You probably already know that food is fuel for your body. When you eat, food gets broken down in your stomach and enters your bloodstream. From there, it gets

Why do people and animals need to breathe? A biologist explains why you need a constant source of oxygen Read More »

You need to breathe for the same reason you need to eat: It helps you make the energy your body requires. You probably already know that food is fuel for your body. When you eat, food gets broken down in your stomach and enters your bloodstream. From there, it gets

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