Animals
The diabolical ironclad beetle is nearly unsquishable
The diabolical ironclad beetle is an incredibly tough little creature. A peek inside its exoskeleton reveals what makes it virtually uncrushable.
HS-LS1-2
Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.
More Stories in HS-LS1-2
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Health & MedicineWhen physicians and veterinarians team up, all species benefit
When doctors for people and those for animals share their expertise, they can discover new ways to take better medical care of all species.
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Health & MedicineLet’s learn about bones
Bones hold us up and help us fight gravity with every step. They also make blood cells, hormones and more.
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AnimalsWhale blowholes don’t keep out seawater
Whales’ blowholes aren’t as protective as scientists had thought. They not only can let in water but also pollutants.
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Plants‘Vampire’ parasite challenges the definition of a plant
Langsdorffia are stripped down to their essentials. Lacking green leaves for photosynthesis, they steal energy and nutrients from other plants.
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AnimalsA single chemical may draw lonely locusts into a hungry swarm
Swarms of locusts can destroy crops. Scientists have discovered a chemical that might make locusts come together in huge hungry swarms.
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Health & MedicineExplainer: What is puberty?
Puberty isn’t just a time for zits, breasts and deeper voices. It also spurs brain development that helps teens handle emotions and deal with stress.
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BrainYou don’t see as much color as you think
It might seem like we live in a world full of color. But when scientists flip it into black and white, most people never notice the switch.
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AnimalsSuperblack fish can disappear in the deep sea’s darkness
Some fish that live in the ocean’s depths are superblack due to a special layer of light-absorbing structures in their skin.
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Health & MedicineExplainer: What are Antibodies?
Antibodies are one of the major players in the immune system’s attack against germs. Learn what they are, what they do and how they keep us healthy.