By Cana ShortReadOasis Step 3

One day Rachael Shardlow was swimming in the sea, near the mouth of the Calliope River in eastern Australia. Suddenly, she felt something wrap around her legs. A stinging pain shot through her body. Almost instantly, she couldn't see or breathe. Her brother pulled her out of the water onto the shore. Seconds later, she passed out. The limbs of the jellyfish were still wrapped around her legs. Rachael survived, but she was very, very lucky.

Rachael was stu...