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 »
Blood from a finger prick can be examined for infections like HIV, however a new personal privacy guideline may limit research on such information in South Africa. Mary Teena... Read more »