Blue and purple corn: Activists may not like it, but it could be the future of natural colors

Blue and purple corn: Activists may not like it, but it could be the future of natural colors

Activists have convinced the public that "natural" is better, but studies show that isn't really true. Malaria is certainly not healthy and natural banana flavor can be more toxic than the synthetic kind, according to the American Council on Science and Health.

Obesity doubles the risk of high blood pressure in pregnancy

Years of gradual weight gain more than doubles the risk of hypertensive disorders in pregnancy, regardless of whether the woman's body mass index (BMI) was initially categorized as healthy or overweight, according to a new analysis.

New test can more quickly diagnose sepsis

 Sepsis is a potentially life-threatening complication of bacterial infections.

Rapid diagnosis of sepsis in hospitalized patients is crucial because in severe cases because there is an average 7.6 percent decrease in survival rate per hour from the onset of low blood pressure without effective antimicrobial treatment.

Early identification of a pathogen increases the chance of targeting the correct agent and may avoid misuse of antibiotics.

The surprising benefits of sadness

The surprising benefits of sadness

Homo sapiens is a very moody species. Even though sadness and bad moods have always been part of the human experience, we now live in an age that ignores or devalues these feelings.

'Bright Flight' - cities are too expensive for smart people outside high-income careers

'Bright Flight' - cities are too expensive for smart people outside high-income careers

If the growth of cities in the 20th century was marked by “white flight”, the 21st century is shaping up to be the era of “bright flight”. The young, highly educated and restless are being priced out of many of the world’s major cities.

Why is the universe expanding? And accelerating?

What causes the accelerating expansion of our universe?

Solve that mystery and you reconcile two successful, yet incompatible, theories that explain how our universe works: quantum mechanics and Einstein’s theory of general relativity. But it isn't that simple. It may be that space-time itself is relative and if we zoomed in – way in – on the universe, we would realize it’s made up of constantly fluctuating space and time.

Inoculation: Fighting misinformation with misinformation

Inoculation: Fighting misinformation with misinformation

As a psychologist researching misinformation, I focus on reducing its influence. Essentially, my goal is to put myself out of a job.

Recent developments indicate that I haven’t been doing a very good job of it. Misinformation, fake news and “alternative facts” are more prominent than ever. The Oxford Dictionary named “post-truth” as the 2016 word of the year. Science and scientific evidence have been under assault.

Pepsi tackles climate change

PepsiCo has today confirmed that it intends to lower greenhouse gas (GHG) emissions across its value chain by at least 20 percent by 2030. Between 2006 and 2015, it claims to have achieved an 18 percent improvement in the energy efficiency of its legacy operations. It also extended its use of renewable energy and introduced fuel-efficient vehicles, as well as vending machines and coolers free of hydrofluorocarbons. 

Playground politics: Why do some kids get rejected?

Rejection is part of daily life - and it starts early. Many of us can remember sitting in a classroom feeling like we had been left out by classmates. Yet that may be just a feeling. Many kids regarded as popular believe they were rejected. Some children clearly are, they suffer widespread rejection at school and this can this can have a long-term effect. Or the effect was the cause of the rejection.

Colorectal cancer linked to unhealthy lifestyles

An online survey of more than 27,000 from around the world found that respondents who exercised more, followed a healthy diet and did not smoke were less likely to have a personal history of colorectal cancer or colon polyps.