Commentary / World Feb 3, 2017
Science ruined tomatoes (and it can fix them)
Growers' emphasis on yield and shelf life in the latter part of the 20th century cost tomatoes their sweetness.
Commentary / World Jan 28, 2017
Three scorching years don't make a trend
The run of record-breaking temperatures doesn't mean we should expect every year to be relentlessly hotter than the last.
Commentary / World Jan 9, 2017
More nuclear weaponry means more risk
As with guns, Americans are divided on the issue of nuclear weapons. One side is motivated by a "more is better" philosophy — a deep, intuitive belief that the best way to stop bad guys is to get more weapons to the good guys. ...
Commentary / World Jan 5, 2017
Drunken monkeys and the evolution of boozing
If alcohol makes you feel sick rather than drunk, you may have a gene mutation that protects you from alcohol impairment and alcoholism.
Commentary / World Dec 31, 2016
If you're so intelligent, why aren't you rich?
The latest research suggests IQ is only a minor factor in a person's success, or lack thereof.
Commentary / World Oct 31, 2016
Farmers have tech, but weeds have evolution
Some 12,000 years ago, humans started a war against weeds — and the weeds are still a step ahead.
Commentary / World Oct 4, 2016
Why biologists don't put too much stock in race
Race is a scientifically indefensible concept with no biological basis as applied to humans.
Commentary / World Sep 29, 2016
How to debunk the U.S. presidential debates
Candidates engage in public debates to sell themselves. Viewers should question everything that's said — and not said as well.
Commentary / World Sep 25, 2016
Could new drug prevent Alzheimer's disease?
A promising experimental drug called aducanumab could be an important development in preventing Alzheimer's disease.
Commentary / World Aug 22, 2016
Inventions changed our genetic code
When humans invent technology, we also reinvent ourselves.