资讯

This project will show children how worms turn plant waste into soil, introduce them to 'recycling' and 'useful waste', and encourage them to look closely at worms and other garden wildlife.
A worm is a long, creeping animal, with a soft, often segmented body. They don't have legs but instead are covered in hairs or bristles that help them to move. They breathe through their skin ...
UNICEF and partners took on Guinea worm, a debilitating parasitic disease. Joining them in that fight: former President Jimmy Carter.
(KKCO) -With technology so prevalent in society today, children tend to shy away from ... Ingalsbe evolved the idea and ...