U.S. doctors may be changing how they define hypertension, but the need to exercise and eat less junk food remain the best ways to fight off high blood pressure.
Record-breaking pumpkins have long since passed the ton mark, and they get bigger every year. The only constraint may be the laws of physics.
Ignorance feeds curiosity. Curiosity cures ignorance.
A new survey has revealed that Americans are surprisingly willing to make a first nuclear strike — and kill millions of civilians abroad.
In handling some kinds of life-or-death medical judgments, computers have already surpassed the abilities of doctors.
There are no smart ways to start a nuclear war, but there are an infinite variety of stupid ones.
We're all ignorant, but U.S. President Donald Trump takes it to a different level.
Scientists do make mistakes, but scientific methods in many fields guard against unwarranted certainty. And there is a consensus on climate change.
Earth's climate will probably recover from this human-fueled round of global warming, but on time scales that are unimaginable to humans. And perhaps without humans.
New forms of social media help deceivers reach a far larger audience than they could find using traditional outlets, prompting scientists to search for solutions.