Permits were supposed to make climbing Yosemite’s Half Dome safer. They made things worse | Science

Andrei Stanescu/Alamy Stock Image An effort to make Yosemite National forest’s renowned 2700-meter-high Half Dome rock development more secure for hikers appears to have actually backfired. In 2010, the... Read more »

Perivascular Spaces Linked to Worse Cognition

Angela Jefferson, PhD Bigger perivascular spaces, which are frequently seen on brain MRIs in older grownups, have crucial associations with worse cognitive efficiency, especially info processing speed and executive... Read more »