ConservationistsTryingtoSave,ReproduceEndangeredFrogs Forty percent of all the frogs in the world are in danger of extinction, according to the Smithsonian Institution. Pollution, pesticides, climate change and now a fungus are taking a toll on this...
STEVE EMBER: This is Steve Ember. SARAH LONG: And this is Sarah Long with the VOA Special English program EXPLORATIONS. Today, we visit two of the most unusual national parks in the United States. They are Volcanoes National Park and Haleakala Nation...
Grafting is a way to produce plants from pieces of existing plants instead of seeds. Branches or buds are cut from one plant and placed on a related kind of plant. The branch or bud that is grafted is called the scion. The plant that accepts the graf...
Worms seem like strange animals to send to the International Space Station. It's not like astronauts are going to take time off to go fishing and need to bait their hooks. So why send worms? Believe it or not, scientists are using a microscopic worm,...
