‘This system is simple and functions remarkably well,’ says Doug Weibel, an expert in microbiology at the University of Wisconsin-Madison, US. ‘This system complements other ‘simple solutions’ that the Whitesides group has developed to tackle point-of-care and attention diagnostics in resource-poor settings.. $2 egg-beater – low-cost centrifuge replacement – could save lives in developing countries Plastic tubing taped to a portable egg-beater could save lives in growing countries, the Royal Society of Chemistry’s journal Lab in a Chip reports.This is definitely not a best practice for growing hair as you may see a gradual weakening of the hair at the place where the ponytail can be held. Remember that curly hair is normally most fragile and a ponytail holder could make it all the more harder to control if sleeping in it. 5. Wearing headbands This new fad is indeed cute and is getting like wildfire. However as hard as it is to break the news headlines to the community, the known fact remains that headbands could be dangerous to your dearest curls. The headband is normally put on around the circumference of your head in the same place every day. Eventually you shall see your edges begin to thin so break this habit early! The consistent practice of the 5 practices could take you months to recover from.