A bridge to explaining troubled waters

Put a cutting board or something else flat in the bottom of your kitchen sink and turn on the faucet.

You should see a thin film of water in the rough circle that makes up the middle, a band of roiling, albeit miniature, rapids after that and finally a stretch where the puddle you've made flattens and flows with more or less even regularity.

Also on this date

• White enrollment down as parents weigh options
• C-U's Enrollment Loss is Other Schools' Gain
• Champaign schools plan ahead for space needs
• New subdivisions will fuel population and enrollment boom, officials say
• Educators, mentors honored
• Charity Care: Caught in the middle
• It's your business: 2nd auction Saturday at Rockome Gardens
• Compassionate Monticello veteran to get his award — 60 years later
• Obituaries