When preparing food in the kitchen, there are lots of different tools to choose from. Knives can be used to slice food into smaller pieces. They are very sharp, so they have to be used very carefully.

Matthew Evans' apple and sour cream slice is a great way to use granny smith apples. While best eaten the day it's made, you can store any leftovers in an airtight container for up to four days.

Move over karyotypes—genetic disorder detection has vastly improved. Researchers are now using array CGH (aCGH), to quickly scan through an entire genome for imbalances. Because aCGH facilitates ...