Tag: Science

Why Do We Need Hormones?

Why Do We Need Hormones?

What’s the first thing that comes to mind when I say the word hormone? Pimples? Mood swings? Cramps? Really inopportune moments where your armpits get sweaty? Are we good? We’re good. Hormones are obviously involved in puberty, but they’re so much more than that. Like hormones are involved in how we deal with stress, and …

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Giant Underwater Cave Was Hiding Oldest Human Skeleton in the Americas | Expedition Raw

Giant Underwater Cave Was Hiding Oldest Human Skeleton in the Americas | Expedition Raw

>>ALBERTO NAVA: I mean, you’re always looking for something new to discover, but we didn’t know what we were going to find when we started on that day. Most of our dives are pretty routine, you know, you just keep finding more tunnels and more tunnels. But every so often you get lucky and you …

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Bird Muscles – Adaptations for Flight

Bird Muscles – Adaptations for Flight

If humans were covered in feathers, could we flap our arms and fly? What if I told you that it would take up to fifty pounds of chest muscles just to flap your arms hard enough to lift yourself off the ground? Let’s look at bird muscles and see just how much strength it takes …

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Introduction to Nervous System

Introduction to Nervous System

What is the color of this Board? Yes. This board is Grey in color. Now, in a cricket field you must have noticed this that while the players try to catch a ball when the ball come towards them. The same ball when it comes towards an umpire he tries to let it pass. So, …

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Your Super Skeleton!

Your Super Skeleton!

Believe it or not, there’s something a lot like this inside of you and inside me, too! It’s a skeleton! You may have seen skeletons in a museum — like the ones they have of dinosaurs — or maybe plastic models of human skeletons, like this. Maybe you’ve even seen dancing skeletons around Halloween. But …

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How To Stop Shaking When You’re Nervous

How To Stop Shaking When You’re Nervous

Right before I do any kind of public speaking my hands start shaking uncontrollably and i feel like my heart is exploding. Thanks adrenaline. How do I STOP this? Adrenaline is one of the most famous hormones in the animal kingdom and it’s our response to a “stressor.” Stressors can be anything; a sudden scare, …

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Life on Earth’s Cold Shoulder – Glacier ecosystems and climate change

Life on Earth’s Cold Shoulder – Glacier ecosystems and climate change

Dr Joseph Cook: Climate change is one of the most important issues facing humans, in the 21st century because it threatens to destabilise everything, from the amount of land we have to live on, our food and water security, environmental hazards and extreme weather, even industry and commerce. The earth’s ice is increasingly being recognized …

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