Karen Rowan
Live Science
Hawaii, United States
Contact Karen
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Past articles by Karen:
Why do rockets launch from Florida?
Today, Cape Canaveral is America's gateway to the cosmos, but it wasn't the first place from which rockets were launched. → Read More
The Science of Bath Bombs (and How to Make Them)
Here's the science behind that satisfying fizz of a bath bomb, plus, how to make your own at home. → Read More
Here's How Smoke from California Wildfires Affects the Human Body
Experts say that the biggest health danger from the smoke comes from the particulate matter that it contains. → Read More
Can You Get 2 Colds at Once?
When you come down with a cold, the last thing you probably need is, well, another cold. → Read More
Why a Pot 'Breathalyzer' Won't Work
It's really tricky to measure how much marijuana a person has used on a given day — and how impaired their driving may be as the result of that use — a new review says. → Read More
You Have the Flu. Should You Go to the Doctor, or Wait It Out?
When you have the flu, one choice looms large in front of your feverish eyes: Should you drag your aching body out in the cold to go to the doctor or hospital, or should you just wrap yourself in blankets, drink fluids and stay put? → Read More
Hawaii Says Aloha to the Solar Eclipse
With the first light rays of light to touch Hawaii this early morning, people here bid aloha to a partial solar eclipse. → Read More
Unproven Treatments for 'Chronic Lyme Disease' Lead to Severe Infections
In a small number but growing number of cases, people in the U.S. are suffering from serious bacterial infections because of treatments they received for a condition called "chronic Lyme disease." → Read More
What to Tell Kids About the 'March for Science'
Here are tips from experts on what to tell kids about this weekend's March for Science. → Read More
What to Tell Kids About the 'March for Science'
Here are tips from experts on what to tell kids about this weekend's March for Science. → Read More
Snapshot of Hawaii: Why NASA Is Studying Islands' Volcanoes & Reefs
In Hawaii, scientists are studying noxious volcanic gases and lively coral reefs, in part of a new effort to gather data on Earth's ecosystems. → Read More
How to Jump-Start Your Exercise Routine in 2017
Want to start exercising in the New Year? We can help. Live Science’s resolution is to make a healthier you in 2017. March’s goal is start exercising. → Read More
How to Jump-Start Your Exercise Routine
Want to start exercising in the New Year? We can help. Live Science’s resolution is to make a healthier you. March’s goal is start exercising. → Read More
Why Menstruation Remains a Medical Mystery
Menstruation happens monthly, but is studied rarely. → Read More
Eating the Placenta: Some Celebrities Do It, But Should You?
"Yummy...PLACENTA pills!" Kourtney Kardashian wrote in a recent Instagram post. But is eating the placenta a good idea? → Read More
Stand for 2 Hours Every Workday, Panel Says
If you work at a desk, you should try to stand up for a total of 2 hours during your work day, according to new advice. → Read More
Is Freezing Your Eggs Worth the Cost?
Egg freezing is expensive, but for some women, it may be cheaper than alternative ways of getting pregnant later on. So at what age is egg freezing no longer cost-effective? A new study holds clues. → Read More
Kids Whose Ears Stick Out Are Cuter, Science Confirms
It's rough out there for kids whose ears stick out, and they may suffer from low self-esteem. But now, a new study shows people may actually tend to rate kids whose ears stick out as smarter and more likeable. → Read More
US Ebola Patient to Be Admitted to Maryland Hospital
Another U.S. healthcare worker who was working in Africa has tested positive for Ebola, and is returning to the U.S. for treatment, health officials say. → Read More
US Spike in Measles Cases Due to People Skipping Vaccinations
The sharp rise in measles cases in the U.S. infected with measles is due to people not being vaccinated against the disease, officials say. → Read More