Human DNA accumulates damage over time and older bodies can't repair it as well as younger, leading to the obvious conclusion that damage builds up over time and leads to an irreversible dormant state known as senescence.

Cellular senescence is believed to be responsible for some of the telltale signs of aging, such as weakened bones, less resilient skin and slow-downs in organ function. DNA damage also seems to play a role in conditions called progerias, which cause premature aging. Progeria patients have mutations in genes responsible for DNA damage repair. Now researchers from the University of Pennsylvania have pinpointed a molecular link between DNA damage, cellular senescence and premature aging. 

A proof-of-concept study in mice showed it is possible to prevent transmission of mitochondrial disease to children without resorting to controversial cytoplasmic transfer - "three-parent" IVF.

Mitochondria are known as the powerhouse of the cell because they generate most of the cell's supply of energy. Each cell in the body contains anywhere from 1,000 to 100,000 copies of mitochondrial DNA, which is exclusively transmitted through maternal inheritance. In most patients with mitochondrial disease, mutated and normal mitochondrial DNA molecules are mixed together in cells.

The likelihood of being bitten by mosquitoes could be linked to our genes, according to a recent study. Previous papers have suggested that human attractiveness to insects is based on differences in body odor or diet but there has been no clear and consistent dietary explanation. 

Increasingly, the public distrusts science and medicine. Much of the reason has been due to lawsuits, some of it has been due to strange beliefs among wealthy elites in well-defined parts of the United States. Due to popularized concerns about the safety of medicine, the approval cycle and the cost is longer than ever - billions of dollars and a dozen or more years unless a disease like Ebola gets into corporate media headlines.

We've long been fascinated by but it has been fictional. Now a team of researchers has created a perceptual illusion of having an invisible body. You won't just 'feel' invisible like no one notices you in a crowd, you can actually feel invisible.

The history of literature features many well-known narrations of invisibility and its effect on the human mind, such as the myth of Gyges' ring in Plato's dialogue The Republic and the science fiction novel The Invisible Man by H.G. Wells.

Recent advances in materials science have shown that invisibility cloaking real world objects might soon be possible in the visible light spectrum. How might invisibility affect our brain and body perception?

Higher elevations around the world may be warming much faster than previously thought, according to a paper which reviewed elevation-dependent warming mechanisms such as loss of snow and ice, increased latent heat release at high altitudes, low-elevation aerosol pollutants that increase the difference in warming rates between low and high elevations, plus other factors that enhance warming with elevation in different regions, and in different seasons.