What's really lurking at the bottom of the ocean? • Underwater mountains thousands of feet high • Shipwrecks frozen in time • Crabs that look like false teeth! Take a trip to the bottom… More →
Crabtree Connections Level 3 - Below-average
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Discover the incredible stories behind some of the greatest medical breakthroughs. Find out… • how an embarrassed doctor invented the stethoscope; • why nobody believed that germs were… More →
Join Lewis and Clark on their exciting expedition to the Pacific Ocean. Read about… • surviving the bitter winter at Fort Mandan; • meeting Sacagawea, the Shoshone guide; • the heroes'… More →
Find out the answers to these amazing science mysteries: • Does Bigfoot really exist? • Is time travel possible? • Are aliens real? Are these science facts or science fiction? You decide! More →
Find out how people stayed safe during WWII. They had to learn how to: • avoid flying debris; • survive gas attacks; • build their own air raid shelters. Discover how people pulled… More →