The biggest threats to Social Security in the United States these days are zombies — that is, arguments that have been debunked but keep coming back and confusing matters again and again.

A Texas pipeline tycoon who died two months ago may become the first American billionaire allowed to pass his fortune to his children and grandchildren tax-free.

Could we cure diseases faster, or at least better control them, through crowdsourcing? That is the premise behind social networking sites like CureTogether.com and PatientsLikeMe

Sarah Palin. Mike Huckabee

It was the day of the sceptics. Some of the world’s best know names were in Copenhagen though not at the Bella Center to propound their views

Queen Amrose Ne­fertari’s housem­aid suffered fr­om a hardening of the arteries some 3,500 years ago. Less than 40-year-old Lady Rai and five of the 16 Egyptian priests and members of pharaoh courts showed atherosclerosis a few millennia before it became a disease associated with life­style, as doctors in the US and Egypt found from medical scans of ancient mummies.

Every day, the impeccably dressed ‘‘elevator girls’’ of Tokyo’s Odakyu dept

Few energy resources stir passions like Canada’s oil sands. The vast, gooey mixt