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Friday, January 18, 2019  Spokane, Washington  Est. May 19, 1883
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Stories tagged: Ask Dr. Universe


Ask Dr. Universe: Clothing offers its own recycling challenges

WSU researcher Hang Liu imagines a different future for our used clothes. In her lab, she and her team are coming up with creative ways to recycle cotton into a …


Ask Dr. Universe: What happens to our trash?

The average human who lives in the U.S. creates about 4.83 pounds of trash each day. Many people don’t really see much of it, though.


Ask Dr. Universe: Where did the first nerves come from?

While the human body has many parts made up of lots cells, some living things are actually just one little cell – an amoeba or a bacteria, for example.


Ask Dr. Universe: How come broccoli is good for you?

When we chew or cut broccoli, we damage the plant tissues and a new compound forms. It’s actually this compound in broccoli that gives off that, well, unique broccoli smell. …


Ask Dr. Universe: Cows have different moos for different situations

Ask Dr. Universe column for Feb. 26, 2018.


Ask Dr. Universe: Video games can help us learn

Ask Dr. Universe column for Monday, Feb. 19, 2018.


Ask Dr. Universe: Why does hair turn gray?

Ever since you were born, different cells have been working on your hair. Each hair sprouts from a follicle, a sort of little hair-making factory under your skin. Here, some …


Ask Dr. Universe: Animals live in groups for different reasons

Ask Dr. Universe column for Monday, Jan. 22.


Ask Dr. Universe: Mountain temperatures have less to do with proximity to the sun and more about air pressure. Or lack of it.

Why is it so cold up in the mountains if heat rises and it’s closer to the sun?


Ask Dr. Universe: How do refrigerators work?

Ask Dr. Universe column for Monday, Dec. 18, 2017.


Ask Dr. Universe: How do grasshoppers survive the winter?

Ask Dr. Universe column for Monday, December 11, 2017.


Ask Dr. Universe: Why is there no cold?

Ask Dr. Universe column for Dec. 4, 2017.


Ask Dr. Universe: Different blood types may have evolved to fight infectious diseases, environmental threats

The blood types we have today evolved a very long time ago. Type A is the most ancient blood type and has been found in hominids – or pre-humans.


Ask Dr. Universe: During total solar eclipse, the moon blocks the sun

It just so happens the Great American Eclipse is coming up on Aug. 21. This solar eclipse will be the only one visible from across the lower 48 states in …


Ask Dr. Universe: Printing more money makes it less valuable

It sure sounds like a nice idea. Print a bunch of money and everyone gets rich. We could buy anything we wanted. Ah, if only it were that easy. It …


Ask Dr. Universe: Reason for a mustache a bit of a mystery

Why do people grow hair under their nose? Why does it grow down instead of up?


Ask Dr. Universe: Planets have different shapes and insides

Dear Dr. Universe: What do planets have inside? – Rhianna, 10, California Dear Rhianna,


Ask Dr. Universe: Climate change can affect all of us

The warming air can make like difficult on land and sea.


Ask Dr. Universe: Ladybugs survive the winter by hibernating in large groups

You know it’s springtime when animals start coming out of hibernation. That includes ladybugs that crawl out from their cozy winter hiding places.


Ask Dr. Universe: Discovery is a step-by-step process

It’s true – the things we learn at school can get more complicated each year. In pretty much all subjects, what you learn in fifth grade will be harder than …


Ask Dr. Universe: Scientists are studying the brain’s reaction to time spent with animals

People who spend a lot of time with animals might tell you that something special seems to be going on here. But scientists are looking for evidence and want to …


Ask Dr. Universe: Chlorophyll makes plants green and creates the fuel they need to grow

Nadia asks: Why are plants green?