Unique biological properties of your milk are useful for the baby even at this age. (bebezclub.com)
There are so many ways to learn about water — from global environmental issues around water cleanliness and scarcity, to the basic biological properties of water, to water conservation ideas and tips. (edutopia.org)
There are so many ingredients in breast milk, with so many biological properties for maintaining health and promoting proper growth and development, that it would be impossible to recreate it commercially. (attachmentparentingdoctor.com)