Articles written by Dr E Kirsten Peters
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New lessons for an aging geologist
When I was a young geology student, I learned the basics of petroleum production as they were then understood. Deep layers of sedimentary rocks, including shale, were the “source rocks” for hydrocarbons. The source rocks were... — Updated 1/16/2014
New medications that may help people stay sober
Alcoholism runs in part of my family. I lost a grandfather to it, and a couple of others in the family have been affected by it to greater or lesser degrees. Perhaps something like that is true for you, or maybe you have a friend o... — Updated 12/27/2013
Tree rings speak to ancient climate change
As every school child knows, counting the growth rings in a tree tells you how old the tree is. But some samples of wood can tell you even more than age. That’s because some trees live in difficult environments. They grow best... — Updated 12/20/2013
No matter how dirty the birdie, refrain from rinsing raw poultry
Cooking is part necessity, but it’s also partly cultural. The way we cook says a lot about the societies we live in and the traditions that influence our families. I know that a lot of what I do in the kitchen is an echo of what... — Updated 10/10/2013
Sun in the process of reversing its magnetic poles
This week all of the globe enjoys roughly 12 hours of sunlight and 12 hours of night. The “reason for the season” relates to the Earth’s orbit around the sun. During summertime, our planet’s north pole points mildly toward... — Updated 9/19/2013
Serious infections being spread by tick bites
When my dog and I walk along the Snake River during the warm seasons of the year, we can both come home with a tick or two. I’m used to feeling those little legs on my skin or scalp and picking off the critters. If I’m lucky,... — Updated 9/12/2013
Ignorance and its role in the progression of science
“Knowledge is a big subject. Ignorance is bigger. And it is more interesting.” So begins Stuart Firestein’s book “Ignorance: How It Drives Science.” Part of the core message in the book about how science should work is... — Updated 8/30/2013
Scientists make progress in fighting wheat rust
Scientists have been hard at work in recent years combating a significant disease of wheat. Stem rust is caused by a group of nasty fungal organisms that can infect wheat plants and devastate yields. In some cases up to 100... — Updated 8/22/2013
New technology for solar panels could change energy landscape
I recently pulled some weeds in my yard. Sometimes I’m glad to have a little simple work where I can see progress, even if the effects of my labor are only temporary. I can only do a little bit at a time, having to take it slow... — Updated 8/8/2013
New dinosaur discovery is made in China
We live in a time in which most animals are relatively small. If you think back to your exposure to the Ice Age, perhaps in elementary school, you may remember big mammals like the mastodon and the saber tooth tiger. Less famous... — Updated 7/25/2013
Sailing through stunning landscapes in the name of science
Each year at this time thousands of tourists embark on cruises along Alaskas stunning coastal waters. If they are lucky, the tourists experience dry weather, relatively calm seas, and breathtaking vistas. In some places the ships... — Updated 7/18/2013
Spring birthdays and multiple sclerosis correlation
Multiple sclerosis (MS) is a nasty disease that attacks the central nervous system. Various people with MS experience different symptoms, and even for one person symptoms may vary over time. Some common complaints of people with... — Updated 6/7/2013
A new source of natural gas
The name “natural gas” might be a puzzle. After all, how could there be such a thing as unnatural gas? The reason we call natural gas what we do has to do with history. There was a day that people made burnable gas by heating... — Updated 5/23/2013
The softer side of veterinary science
Modern veterinary science is a technically advanced field. Some animals receive not just X-rays, but sophisticated scans like MRIs. If you visit a large veterinary hospital you will find cats getting chemotherapy and dogs on the... — Updated 5/17/2013
The smoking gun pointing to large extinctions
As any child can tell you, the Mesozoic Era ends with the extinction of the dinosaurs. Most geologists think the cause of that extinction was the impact of an enormous meteorite that hit the Yucatan Peninsula in Mexico. As the... — Updated 5/9/2013
Bringing a new apple to stores everywhere
Today there are lots of options in the grocery store when it comes to apples, from the traditional varieties like Jonathan and McIntosh to newer varieties like Honeycrisp and Jazz. Where do all these new varieties come from? The an... — Updated 4/18/2013
Sinkholes claim Florida man and threaten another house
Sometimes “solid rock” turns out to be anything but sturdy stuff. Limestone and a couple other related sedimentary rocks are common in some parts of the country, including in Florida. The chemistry of limestone and groundwater... — Updated 4/11/2013
Of bird songs and human speech
There are two features of this time of year that make my heart glad. One is the rapidly increasing length of the day. In September we lose daylight quickly, but in the spring we gain it all back just as rapidly. Although the same... — Updated 4/4/2013
Soils versus sea beds
There’s a new debate in paleontology, one that took me by surprise but that shows nicely how some science works. There’s a particular type of ancient fossil called the “Ediacara fauna” found in rocks about 550 million years... — Updated 3/29/2013
Bees are buzzing on caffeine
By Dr. E. Kirsten Peters Contributor A friend of mine recently returned to the U.S. from deployment with the National Guard in Afghanistan. One of the first things he did when he reached a military base in Texas was to buy a cup... — Updated 3/14/2013
The hardest wheat turned soft by science
Eighty years ago my mother was in grade school where schoolroom paste was made by mixing a little flour and water together. Memories of that simple glue came back to her when she and I recently stood in my kitchen, mixing two... — Updated 2/21/2013
Filling a vital need: the unknown story of waste to energy
BA few weeks ago I lost the use of my toilet and learned firsthand just how much I missed it when it wasn’t there. My plumbing went out of order when the pipe between my house and the city’s sewer line in the street collapsed.... — Updated 1/17/2013
Grapefruit + Medications = Potential Problem
We Americans are often told to eat more fruits and vegetables. Particularly this time of year, when New Year’s resolutions are still in strong force, a lot of us are trying to do better about what we eat. A breakfast of half a gr... — Updated 12/28/2012
Natural gas: the domestic energy source?
By Dr. E. Kirsten Peters Contributor To a geologist like me, it was most notable by its absence in the political campaigns that lurched to their conclusions in November. I’m talking about an energy plan with real teeth, one that... — Updated 12/21/2012
Too much exercise
Medical science increasingly has some evidence of a principal your mother warned you about: there really is too much of a good thing. A few folks throw themselves headlong into aerobic exercise. Most of these hard-core endurance... — Updated 12/6/2012