Like a beloved pair of jeans, human DNA accumulates damage over time, and older people’s bodies can’t repair it as well. Many scientists believe a build up of damage can cause cells to enter an irreversible dormant state known as senescence.
The brain is a privileged organ in the body. So vital to life, the brain is protected from alterations elsewhere in the body by a highly regulated gateway known as the blood-brain barrier, which allows only selected molecules to pass through.
Adolescence is a time of frequent and intense emotional experiences, but some youth handle their emotions better than others. Why do some young people react adaptively while others ruminate?
By Madeleine Stone @themadstone
(This is the second in a series of features introducing the inaugural Penn President’s Engagement Prize winners.)
Members of the Dark Energy Survey have released the first in a series of maps that show the concentration of dark matter in the cosmos.
By Sarah Welsh
by Sarah Welsh
After a two-year hiatus, the Large Hadron Collider at the European Organization for Nuclear Research, or CERN, is gearing up for its second run. The LHC enabled the 2012 discovery of the Higgs boson, which gives mass to all particles, but the world’s most complicated scientific apparatus is far from finished
By Julie McWilliams
Aspiring journalist Brennan Cusack set off on a solo cross-country trek last summer to get an insider’s look and to research four instances where environmental and economic interests were at odds.
Why do some people learn a new skill right away, while others only gradually improve? Whatever else may be different about their lives, something must be happening in their brains that captures this variation.
Media Contact:Peter Iglinski | firstname.lastname@example.org | 585-273-4726April 6, 2015
Therapeutic agents intended to reduce dental plaque and prevent tooth decay are often removed by saliva and the act of swallowing before they can take effect. But a team of researchers has developed a way to keep the drugs from being washed away.