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New Gene Fights Potato Blight
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Frogs and Toads
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Ant Invasions Change the Rules
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Poor Devils
A Recipe for Happiness
When Darwin got sick of feathers
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Chemistry and Materials
Hair Detectives
Cooking Up Superhard Diamonds
Gooey Secrets of Mussel Power
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Look into My Eyes
The Book of Life
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Shrinking Fish
Finding the Past
Early Maya Writing
Your inner Neandertal
Ancient Art on the Rocks
Saltwater Fish
Food and Nutrition
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Monkeys Count
Detecting True Art
Math Naturals
Human Body
Football Scrapes and Nasty Infections
Heavy Sleep
Surviving Olympic Heat
Camel Spiders
Spectacled Bear
Persian Cats
Children and Media
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The Particle Zoo
Einstein's Skateboard
Dreams of Floating in Space
Springing forward
Bright Blooms That Glow
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Sea Turtles
Copperhead Snakes
Space and Astronomy
Planet Hunters Nab Three More
A Smashing Display
A Dead Star's Dusty Ring
Technology and Engineering
Bionic Bacteria
A Satellite of Your Own
Supersuits for Superheroes
The Parts of Speech
Problems with Prepositions
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A Change in Climate
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Clams are shelled marine or freshwater mollusks. The term "clam" is often used to refer to any bivalve (a mollusk whose body is protected by two symmetrical shells) that is not an oyster, mussel, or a scallop, and that has a more-or-less oval shape. An exception is the razor clam, which has an elongate shell that suggests an old-fashioned straight razor. Clams can live up to 150 years old - or perhaps longer (science suspects that some larger quahogs found off the East Coast of the US may be 200 years old). Hard or Soft? Clams can be hard-shelled or soft-shelled, according to the degree of calcification of their shells, according to species. They are eaten raw, steamed, boiled, baked or fried, again (often) according to species. Clam chowder is a popular soup in the U.S. in which clams figure strongly. Floating down the river current... The mating habits of clams varies according to the waters in which they live. In river clams, the male releases sperm into the water and the river current carries it downstream. The female then draws sperm in to fertilize eggs still inside her body. Mating tip to males - stay upstream! Fertilization odds are poor unless the male is upstream of the female. For ocean clams, the male also expels sperm, however the female releases the eggs from her body into the surrounding water. Fertilization occurs only when the eggs float near the sperm. One adult survivor to tens of thousands of babies During a breeding season, a female clam makes tens of thousands of baby clams. Probably only one settles to the bottom and survives to adulthood.


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