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Articles on Curiosity

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The older you get, the more slowly you heal, and there are a number of reasons why. Westend61 via Getty Images

Why do older people heal more slowly?

Healing is a complicated process. As people age, higher rates of disease and the fact that old cells lose the ability to divide slow this process down.
Cellular networks have improved rapidly over the last few decades. moodboard via Getty Images

What’s cellular about a cellphone?

A professor of wireless communications explains the origins of cellular networks and how they evolved into today’s 5G networks.
Children in the live audience of ‘Howdy Doody’ were seated in what was known as the peanut gallery. NBC Television via wikimedia.org

The complicated origin of the expression ‘peanut gallery’

Remember the ‘peanut gallery’ from the ‘Howdy Doody’ show? That term, like many others we commonly use, has surprisingly controversial origins.
A transcript from the Constitutional Convention records the official report creating the Electoral College. U.S. National Archives

Who invented the Electoral College?

Three approaches were debated during the Constitutional Convention – election by Congress, selection by state legislatures and a popular election, though that was restricted to white landowning men.
Computer algorithms can involve complicated math, but the concept of an algorithm is simple. Hill Street Studios/DigitalVision via Getty Images

What is an algorithm? How computers know what to do with data

A close look at how you decide what clothes to put on in the morning can help you understand how computers work.
Physics laureate Donna Strickland receives the prize from King Carl Gustaf of Sweden during the Nobel Prize award ceremony in Stockholm on Dec. 10, 2018. (Pontus Lundahl/Pool Photo via AP)

Reflections from a Nobel winner: Scientists need time to make discoveries

The winner of the 2018 Nobel Prize in physics says scientists shouldn’t feel pressured to do research that has economic or commercial ramifications. Science for the sake of science is more important.
Apprentices researchers in the laboratories of Ecole Polytechnique. Ecole polytechnique/Flickr

Long live the Europe of scientists!

The 2018 edition of the EuroScience Open Festival is a great showcase for EU scientific collaboration.
What does the contents of this bowl have in common with math? Clipp2nd

Mathematics, spaghetti alla carbonara and you

Mathematics and cooking can both be about problem solving, excitement, aesthetics. And it’s for you to decide for yourself what you like and don’t like in both realms.
Not yet, but soon … we’re getting closer to sending people to Mars. Samantha T./Flickr

Near Earth and far away, it’s been an exciting year in space

It was an exciting year in space exploration, with mind-blowing triumphs and heart-breaking failures. On Earth, new rockets and spacecraft were tested by space agencies and commercial ventures. SpaceX…
The author posing with a fully-functional model of the Curiosity rover on Earth, not Mars.

Scientists at work: my other office is on Mars

“All systems go!” I said cautiously with a long sigh of relief. I had approved plans for the first soil analysis that would give humankind clues to the past and future habitability of Mars. One small word…
The “Rocknest” site has been Curiosity’s laboratory for the past few months. NASA/JPL-Caltech/Malin Space Science Systems

NASA’s Curiosity shows there’s more to life than life

The Curiosity rover has landed on Mars, driven around, started its scientific mission and, as of 4am today (AEDT), started reporting integrated science results. In a news conference at the American Geophysical…
We know next to nothing about Earth ecology. Aschevogel/Flickr

Hurrah for Mars, but why not more curiosity about life on Earth?

The landing of the explorer Curiosity on Mars is a fantastic affirmation of the extraordinary technical capacities of humans. A series of remote, high risk choreographed moves saw a small mobile laboratory…

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