The U.S. space agency recently launched sperm specimens, from humans and bulls, to the international space station. There, astronauts will conduct experiments on the impact of microgravity on sperm’s motility and function.
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The reason The Population Bomb was so terrible is not that its predictions were wrong; most scientists make incorrect predictions. No, the book is terrible because of how it made people in the developed world feel about people in the developing world. Namely, that they are little more than hungry cockroaches who shouldn't be fed.
Twenty years ago, an expert panel at the National Institutes of Health lowered the BMI cutoff for being overweight from 27 to 25. But a recent report suggests that for one segment of the population — postmenopausal women – that might not be low enough. Also, to define obesity in this population the cutoff of 30 might be too high.
Our northern neighbor affirmed that a variety of Golden Rice, which has higher levels of provitamin A, is otherwise no different that varieties of rice that have been genetically modified for thousands of years. Further, it does not pose a greater risk to human health than rice varieties currently available on the Canadian market.
It's been clear for years that the CDC was making a huge mistake in gathering data about opioid overdose deaths. Specifically, lumping together prescription drugs with street drugs. All this accomplished was to make the pills look much more dangerous than they really were. The agency finally fessed up. Too little. Too late. Too secretive.
A case of the "stomach flu" is bad enough, so the last thing we need is our own immune system making it worse. But that's just what can happen, courtesy of an obscure component in the intestinal lining called tuft cells. These little devils help us fight off parasites. But they also give norovirus a place to replicate and a reservoir in which to reside.
Being a night owl could literally kill you; that's according to the latest study from nearly half a million participants in the U.K. Experts say night owls are living in a world structured for early risers, or larks, and are at a higher risk for obesity, hypertension, cardiovascular disease, and early death.
The chemistry of mucus is conceptually identical to that of hair. Which means the same reaction can style your hair or help you breathe better. Ain't chemistry great?
When self-driving cars become the norm, our grandchildren will be shocked to learn that humans used to drive cars, and that nearly 40,000 Americans died every year because of them. Self-driving cars are a true revolution in the making. The more we test them now, the sooner the revolution arrives.
The history of societies and climatic change have much to teach about fragility and resilience. Will we look to our past to envision our future?
Right after the death of Barbara Bush, Prof. Jarrar said, among other things, that she was "happy the witch is dead." Setting aside free speech, let's focus on an important underlying concern: The psychology of pure, unadulterated hatred. How does someone become so consumed with animosity for a fellow human being?
PCBs have been detected in the air from kitchen cabinets. Does it matter? Or is what inside the cabinets more dangerous. Answer: Neither.
A viral video by "Attn:", an activist website that produces extremely popular segments, is spreading lies about food processing in the United States and Europe. Don't fall for it.
It's been 50 years since Dr. Paul R. Ehrlich published his anti-population growth screed, The Population Bomb. Although he scared some folks and annoyed more, most of the deadly consequences he foresaw just didn't happen.
Some parasites "turn down" the host's immune response, and evidence suggests that helminth infection can help patients suffering from allergies, asthma, inflammatory bowel disease, multiple sclerosis, and type 1 diabetes. Now, there is evidence that helminths could help treat obesity.
The ratio of tuberculosis cases comparing immigrants to native-born Americans is more than 2:1. Standardizing these numbers paints an even starker picture. The incidence of tuberculosis is almost 15 per 100,000 immigrants, while it is only 1 per 100,000 native-born Americans. The good news is that tuberculosis is curable, and the disease is in decline all over the world.
Just ahead of barbecue season, here's something to stress about: grilling and charring red meat, chicken, and fish at high temps could lead to high blood pressure, according to a recent study from the American Heart Association. But don't cancel your upcoming BBQ invites just yet — it's all in the way you cook your burger, and how often.
The FDA is advising consumers to discard products that are part of a mandatory recall. They include: Raw Form Organics Maeng Da Kratom Emerald Green; Raw Form Organics Maeng Da Kratom Ivory White; and Raw Form Organics Maeng Da Kratom Ruby Red. And there may be even more.
A new study published in the Journal of the American Medical Association found that middle-aged adults, who went on to lose the majority of their total wealth during a two-year period, had a 50 percent greater chance of dying within the next 20 years than those whose wealth remained stable, or had increased.
When the potheads who publish the magazine High Times – which is dedicated to promoting the use of marijuana – is warning against the dangers of fake weed, you know it's serious.
With the proposed consumer privacy initiative in California a reaction to internet data abuse, it's time, long overdue, to discuss the murky territory once-presumed-protected health information has entered.
Synthetic cannabinoids are sometimes mixed with rat poison, which causes uncontrollable bleeding. So, as it turns out, the neighborhood drug dealer might not be a completely trustworthy individual.
Summer is approaching, which means that all sorts of life forms will be out to get you. Possibly the worst is poison ivy. It contains a nasty chemical called urushiol, which is perfectly designed to make your life an itchy hell. And it's all because of chemistry.
A large study focusing on breast cancer treatment demonstrates that for estrogen responsive, HER2-negative cancers, the majority of women do not require chemotherapy.
At the heart of the matter is an individual's right to choose how and how long to live. It should not be surprising that opinions are all over the map.
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