Remember, scientists have shown us we can increase our happiness, optimism, and our motivation.

FORBES: Do You Know How To Mix Happiness And Business?

Scientists have shown how the insects will use the Milky Way to orientate themselves as they roll their balls of muck along the ground.

BBC: Dung beetles guided by Milky Way

Using imaging, scientists have shown that meditation can improve the functional performance of specific circuits in the brain and may reduce age-related shrinkage of several brain centers, particularly those that may be vulnerable in disorders such as Alzheimer's disease.

WSJ: Doctor's Orders: 20 Minutes of Meditation Twice a Day

Scientists in Israel have shown that drinking a daily glass of the fruit's juice can reduce the risk of cardiovascular disease.

BBC: NEWS | Health | Pomegranates: the fruity panacea

Scientists at Columbia University have shown that exercise can stimulate the dentate gyrus, an area of the brain that affects our ability to remember things.

CNN: Vital Signs health tips

Now scientists at Alnylam Pharmaceuticals in Cambridge, Massachusetts, have shown that's what happens, at least in monkeys.

NPR: Researchers Try Fighting Heart Disease Gene by Gene

In the past, these scientists have developed a genetically modified malaria resistant mosquito, and now they've shown that that mosquito is a hardy mosquito.

NPR: Altered Mosquitoes May Save Humans From Malaria

The team of scientists in the Breakthrough Breast Cancer Research Centre at The Institute of Cancer Research have already shown this is possible in the lab.

BBC: Scientists find why tamoxifen fails some breast cancers