Add Yahoo as a preferred source to see more of our stories on Google. When Konnie Wells would braid hair on the weekends, she would always struggle with getting the middle part just right. Sometimes ...

Add Yahoo as a preferred source to see more of our stories on Google. (Reuters) - It looks good enough to drink but just seconds before, this water was full of dirt and bacteria. Dr. Askwar Hilonga is ...

Objective: Students will engineer a water filter based on observations of manta ray feeding filters, then test its effectiveness. Topics: Structure and function, adaptation, engineering and design ...