 Here's today's STEM tip. Make your selfies look even better with science. Take your pics at golden hour right before the sun sets. The wavelengths made by the atmosphere create a perfect golden light for that beautiful face of yours. Learn more at SheCanSTEM. A message from the Ad Council. My early Alzheimer's diagnosis was hard to take, but it gave my mom and me more time to plan together. Talk to your family about seeing a doctor. Go to alz.org slash time to talk. A message from the Alzheimer's Association and the Ad Council.