Home Remedies for Whiter Teeth. Some people still prefer the age-old home remedy of baking soda and a toothbrush to gently whiten teeth at home. Also, some foods such as celery, apples, pears, and carrots trigger lots of saliva, which helps wash away food debris on your teeth.
Roche limit. n. The smallest distance at which a natural satellite can orbit a celestial body without being torn apart by the larger body's gravitational force. The distance depends on the densities of the two bodies and the orbit of the satellite.
Other limits - outgoing messages sent via Rackspace Mail can not exceed 20Mb per email (including attachments) Email policy; Google. Send limit - no more than 500 recipients per message for the web interface, or max 100 recipients when using an email client software such as Outlook, Thunderbird, etc.