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"When you're in jail, a good friend will be trying to bail you out. A best friend will be in the cell next to you saying, 'Damn, that was fun'." Groucho Marx

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Science

Sarcasm Seen as Evolutionary Survival Skill

June 20, 2008 by Jack Steiner Leave a Comment

Oh really. I never would have guessed.

“Humans are fundamentally social animals. Our social nature means that we interact with each other in positive, friendly ways, and it also means we know how to manipulate others in a very negative way.

Neurophysiologist Katherine Rankin at the University of California, San Francisco, has also recently discovered that sarcasm, which is both positively funny and negatively nasty, plays an important part in human social interaction.

So what?

I mean really, who cares? Oh for God’s sake. Don’t you have anything better to do that read this column?

According to Dr. Rankin, if you didn’t get the sarcastic tone of the previous sentences you must have some damage to your parahippocampal gyrus which is located in the right brain. People with dementia, or head injuries in that area, often lose the ability to pick up on sarcasm, and so they don’t respond in a socially appropriate ways.

Presumably, this is a pathology, which in turn suggests that sarcasm is part of human nature and probably an evolutionarily good thing.

How might something so, well, sarcastic as sarcasm, be part of the human social toolbox?”

For the full story please click here.

Filed Under: Medicine, Science

Lack of Sleep is Dangerous

June 9, 2008 by Jack Steiner Leave a Comment

Can’t say that I am really all that surprised by any of this. HealthDay reports on the importance of sleep. The article discusses compares modern sleep habits to the past and how attempting to improve productivity by cutting down on sleep is problematic.

“For healthy people, there’s a big temptation to voluntarily restrict sleep, to stay up an hour or two or get up an hour or two earlier,” said Dr. Greg Belenky, director of the Sleep and Performance Research Center at Washington State University Spokane.

“But you’re really reducing your productivity and exposing yourself to risk,” Belenky added.

That’s a message doctors are trying to spread to Americans, including the estimated 40 million people who struggle with some type of sleep disorder each year.

Before Thomas Edison invented the light bulb in 1880, people slept an average of 10 hours a night. These days, Americans average 6.9 hours of sleep on weeknights and 7.5 hours a night on weekends, according to the National Sleep Foundation.

“The group of people getting optimal sleep is getting smaller and smaller,” said Dr. Chris Drake, senior scientist at the Henry Ford Hospital Sleep Disorders and Research Center in Detroit. “When a person’s sleep drops to six hours or less, that’s when a lot of things become very problematic.”

While experts recommend seven to eight hours of sleep each night, the amount needed for an individual can vary.

But lack of sleep affects a person in one of two ways, Belenky said. First, sleeplessness influences the day-to-day performance of tasks.

“The performance effects are seen immediately,” he said. “You short-change yourself of sleep, and you see the effects immediately. You can make a bad decision. You can miss something. Have a moment’s inattention, and you’re off the road.”

The longer-term effects of sleep deprivation involve a person’s health. Doctors have linked lack of sleep to weight gain, diabetes, high blood pressure, heart problems, depression and substance abuse.

“Hormones that process appetite begin to get disorganized,” said Drake, who’s also an assistant professor of psychiatry and behavioral neuroscience at the Wayne State University School of Medicine. There’s a decrease in the amount of leptin, an appetite-suppressing hormone, when a person gets too little sleep. At the same time, ghrelin — a hormone that stimulates appetite — increases with a lack of sleep.

Too little sleep also interferes with the body’s ability to regulate glucose and can cause inflammation leading to heart problems and a rise in blood pressure. “There’s a stress response to being in a sleep loss,” Belenky said.

The types of people not getting enough sleep also break down into two groups. First, there are those who make the conscious choice to go without enough sleep.

“It’s sort of part of the culture,” Belenky said. “People pride themselves on getting little sleep. You’ll hear people bragging, ‘I only need six hours a night.’ So there’s a macho element here.”

On the other hand, there are people who are suffering from sleep disorders. These disorders include:

  • Insomnia, an inability to go to sleep or stay asleep.
  • Sleep apnea, or breathing interruptions during sleep that cause people to wake up repeatedly.
  • Restless legs syndrome, a tingling or prickly sensation in the legs that causes a person to need to move them, interrupting sleep.”

For the full story please click here.

Filed Under: Health, Medicine, Science

He Puts His Money Where His Mouth is

June 3, 2008 by Jack Steiner Leave a Comment

If you want to change the world sometimes you have to change yourself, or at least take action.

“WICHITA, Kansas (AP) — Neil Young, the rocker who provided some of the soundtrack to Vietnam-era protests, is again trying to change the world — with his car.

Young has teamed up with Johnathan Goodwin, a Wichita mechanic who has developed a national reputation for re-engineering the power units of big cars to get more horsepower but use less fuel.

The two are looking to convert Young’s 1959 Lincoln Continental convertible to operate on an electric battery.

Ultimately, they said, they want the Continental to provide a model for the world’s first affordable mass-produced electric-powered automobile.

“Johnathan and this car are going to make history,” Young told The Wichita Eagle.

“We’re going to change the world; we’re going to create a car that will allow us to stop giving our wealth to other countries for petroleum.”

Young has poured about $120,000 so far into the project, Goodwin said.”

You can find the full story here.

Filed Under: Science, Technology

The 10 worst jobs in science

May 29, 2008 by Jack Steiner Leave a Comment

MSNBC has an interesting list of the ten worst jobs in science. Read the whole article and see what they have to say, or let me walk you through an abridged version.

No. 10: Whale-feces researcher
No. 9: Forensic entomologist
No. 8: Olympic drug tester
No.7: Gravity Research Subject
No. 6: Microsoft security grunt
No. 5: Coursework carcass preparer

No. 4: Garbologist

No. 3: Elephant vasectomist

No. 2: Oceanographer

No. 1 Hazmat diver

Filed Under: Science

Wanted: Women to eat chocolate For a Year

April 29, 2008 by Jack Steiner Leave a Comment

Who wants to volunteer for this.

LONDON, England (CNN) — Scientists in the UK are seeking 150 women to eat chocolate every day for a year in the cause of medical research.

The trial, at the University of East Anglia in Norwich, eastern England, will test whether a natural compound found in cocoa, the main ingredient of chocolate, could cut the risk of heart disease among women with diabetes.

A Belgian confectionist has created the special chocolate bar containing high levels of flavonoids — a plant compound that has been shown to reduce heart risk factors — to be used in the experiment. Soy, another natural source of flavonoids, has also been added to the bar.

Participants, who must be postmenopausal women under the age of 70, will have their risk of heart disease tested on five occasions during the year to see whether change occurs.

“The hypothesis of this exciting study is that flavonoids may improve the level of protection against heart disease over and above that provided by conventional drugs,” said Dr. Ketan Dhatariya, a consultant in diabetes at the Norfolk and Norwich University Hospital.

“If the trial confirms this, it could have a far-reaching impact on the advice we give to postmenopausal women who have type 2 diabetes.”

For the full story click here.

Filed Under: Medicine, Men and Women, Science

The 50 MPG Car

April 23, 2008 by Jack Steiner Leave a Comment

I have been meaning to blog about a story I read on Newsweek for a while now. The subhead on the story says Why automakers don’t sell a car that gets 50mpg.

It is an excellent question and one that really needs more attention. This is not just an environmental issue, it is economic. As it becomes more expensive to operate a motor vehicle we will see it begin to impact the economy at large in all sorts of places.

There is no doubt in my mind that we have the ability to produce these vehicles. It really has been a question of desire. Gas is still cheap enough that most people do not have to stop and consider whether it makes financial sense to take a drive for pleasure, go to the store etc. But the day is coming where it is going to be harder and until we see that day I question whether we’ll have a strong enough push from consumers to see change.

Let’s take a look at some excerpts from this story.

“Wouldn’t it be great if you could drive a car that gets 50 miles per gallon? Well, you can. Just hop on a plane and fly to Europe, where all new cars average 43mpg, or Japan, where the average hits 50mpg. Here in the United States, we’re stuck at 25mpg in our considerably larger and more powerful cars, trucks and SUVs. So why can’t we do better? Here’s the dirty little secret: we can. “If you want better fuel economy, it’s just a question of when auto companies want to do it and when consumers decide they want to buy it,” says Don Hillebrand, a former Chrysler engineer who is now director of transportation research for Argonne National Labs. “Auto companies can deliver it within a year.”

A 50mpg car would certainly put a tiger in the tank of the moribund U.S. auto industry. But don’t get your checkbook out quite yet. The reality is that you won’t see a car on a showroom floor in America with 50mpg on the window sticker for at least three years and maybe longer. Sure, all auto companies are focusing on jacking up fuel economy, especially since Congress just mandated that all new autos sold by 2020 must average 35mpg. The new mileage mantra also is motivated by the fact that car sales are weak, partially because of panic at the pump. But putting out a 50mpg car any time soon is daunting even to the maker of America’s mileage champ, the 48mpg Toyota Prius. “We’re close enough to spit at that now,” says Bill Reinert, Toyota‘s national manager of advanced technologies. “It’s not an incredible stretch, but it’s an incredible stretch to do it on a mass-market basis.”

It might seem ludicrous to you that there isn’t a mass market right here and now for a 50mpg car. For crying out loud, we’ve entered the age of the $128 fill-up. (The cost of topping off a Chevy Suburban). But here’s the problem: to get to 50mpg in the near future, consumers would have to trade off at least one of three very important things—cost, drive quality or safety. That’s because the quickest way to make a car more fuel-efficient is to make it smaller, lighter and equip it with some high-tech (a.k.a. costly) propulsion system like a plug-in gas-electric system.”

and

Still, all the major automakers are putting their cars on a crash diet. Ford wants to drop 250 to 750 pounds in all its models by 2012. Toyota and Nissan want to cut the fat by 10 to 15 percent. But this slim-fast campaign is running into the drive for more safety features in automobiles. Back in the 1980s, the Honda CRX-HF and the Geo Metro each got more than 50mpg, but they didn’t have airbags or steel beams in their doors to protect occupants in a crash. These days, cars are equipped with six air bags, steel safety cages and electronic stability control to prevent spinouts. That makes cars much safer—but a lot fatter. “We are working in two directions,” says Toyota’s Reinert. “One is to make cars as safe as possible, and that generally makes them heavier. And the other is to make cars as fuel efficient as possible.”

Downsizing also has its drawbacks. For starters, U.S. highway statistics show the smallest cars have death rates 2.5 times higher than the biggest. What’s more, wimpy engines often (under) power small cars and that’s a drawback many Americans won’t abide. I recently drove the diminutive Smart car for a week. While it’s certainly cute, its puny 70-horsepower engine and slow-shifting transmissions made me feel like Fred Flintstone could outrun me. That might be enough power for twisty Old World roads, but here in America, we have a need for speed. “Going zero to 60 in 15 seconds doesn’t fit the average American consumers idea of mobility today,” says Reinert. “That’s too doggy.”

I have to admit that I hate the really small cars. I don’t feel safe in them. I also hate not having a car with any guts. It is nerve wracking and dangerous to try and get on the freeway in a vehicle that takes forever to get to speed.

Still, I am certain that there is no reason why we cannot overcome these issues. We have the ability, all we need is the desire.

Filed Under: cars, Politics, Science

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