Did you know that a shark’s body is specially made for living in water? And, it’s not just the side fins which lift its body or having light-weight cartilage instead of bones. Something else helps keep the shark from sinking. To see what this is, try the following experiment:
Cells make up you, your friend, your hamster, and your mom's broccoli surprise. If it's alive or ever was alive, it is made of cells. Space scientists looking for life on Mars are trying to find microbes made of simple cells—not little green men—and biologists who search for cures to diseases work with cells. Small as they are, cells determine how life unfolds from its beginning to its end.
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Stranger Things is an American science fiction-horror web television series created, written, directed and co-executive produced by the Duffer Brothers, as well as co-executive produced by Shawn Levy and Dan Cohen. Set in the fictional town of Hawkins, Indiana in the 1980s, the first season focuses on the investigation into the disappearance of a young boy amid supernatural events occurring around the town including the appearance of a psychokinetic girl who helps the missing boy's friends in their own search. The second season is set a year after the first, and deals with attempts of the characters to return to normal and consequences from that season.
"I think we all have to fight the werewolf within us somehow." — William Kempe
Many of his readers were surprised to discover that Wells had adopted a third person narrative instead of the first person for this particular novel. The protagonist, Dr. Griffin, is a scientist who is interested in optics. He learns how to invent a way to change a body’s refractive index to that of air. Thus, the body neither absorbs nor reflects light, allowing for invisibility. The ambitious Griffin successfully completes the procedure on himself, but he can’t seem to figure out how to reverse it.
There's your basic paper airplane, the one that's folded fast out of sheet of notebook paper cribbed from your buddy. It will go well enough to fly the few feet to the front of the class --not that we at the library are promoting any such thing, mind you! But the design of your basic paper airplane lacks features that could carry it higher and farther than you might imagine.
It's time to break out the pans of soapy water for a wet and wonderful outside Bubble Party. You can buy bubble solution, but it's cheaper to make your own. Take a cup of water, 2 tablespoons of light corn syrup, 4 tablespoons of dishwashing liquid, and mix them together gently. Do not mix it so much that it foams.
Pour it into a shallow pan, or seal it tightly to use later. You can either use store-bought bubble wands, or you can twist wire or pipe cleaners into shapes to catch the film. Make sure you keep your hands nice and wet to keep the bubbles from popping, and don't let the little ones drink the bubble mix.
Whether it's filled with mossy rocks and ferns or sands and cactus, a terrarium is an amazingly fun way to learn more about nature. With a terrarium in your room, something of the outdoors can always be inside.
Terrariums that feature plants (not animals!) lock water inside to keep the soil moist. When the plants transpire, they let out water vapor. When the soil gets warm, it lets out water vapor. All this vapor collects against the top and falls back as rain.
The purpose of magic has changed since temple priests in ancient times used mechanical devices to make wine pour from statues' mouths and doors open with the sound of thunder. Entertainers in the Middle Ages would try other techniques such as sleight of hand to mystify the crowds as they traveled from city to city.