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Down syndrome, of all the genetic defects people are born with, is the most common (as far as chromosomal abnormalities go). Down syndrome involves having a third copy of all or part of chromosome 21 (for those who do not recall we are typically born with 23 pairs of chromosomes). 703 more words
Here’s a good video on aquaponics from TEDx Talks. Simply put, aquaponics, is a food production system that combines conventional aquaculture (raising aquatic animals such as snails, fish, crayfish or prawns in aquariums or ponds) with hydroponics (cultivating plants in water) in a symbiotic environment.
This article titled “Do cycle lanes increase safety of cyclists from overtaking vehicles?” popped on up on chemistry news feed recently. I couldn’t understand where the chemistry came into that question (are new bike lanes being made from some novel material? 300 more words