A boat skims through the melting ice in the Ilulissat fiord, on the western coast of Greenland, in 2008. The glacier is the most active in the Northern Hemisphere, producing 10 percent of Greenland's icebergs, or some 20 million tons of ice per day. But experts say the glacier is in bad shape because of climate change.
A general view of the Aletsch Glacier on April 21, 2007, near Brig, Switzerland, the largest glacier in the Alps. Unseasonably warm weather with temperatures up to 77 degrees Fahrenheit across Switzerland let snow melt, even at Alpine altitudes.
Neither presidential candidate mentioned climate change during their three debates — in fact, the issue is nearly absent from the entire campaign. That's because the issue poses challenges for each candidate.
Let's take a look at alternative energy now. There's growing interest and investment in the process of extracting oil from algae and turning it into fuel for vehicles and airplanes. It requires a lot of water, nutrients and land. And a new report from the National Research Council says that will make it challenging to turn algae into a sustainable source of energy.
We almost brought you news today about a study that appeared to raise some troubling questions about aspartame, the popular sugar substitute found in many common foods like diet soda. Note the key word — almost.
A study due to be published at 3 p.m. Wednesday in the American Journal of Clinical Nutrition and released to reporters earlier in the week under embargo found some correlation between drinking diet soda and an increased risk of leukemia and Non-Hodgkin's lymphoma, as well as a few other rare blood-related cancers.
A school of manini fish passes over a coral reef at Hanauma Bay in 2005, in Honolulu. Researchers say schooling behavior like the kind seen in fish helps groups of animals make better decisions than any one member of the group could.
As part of NPR's coverage of this year's presidential election, All Things Considered asked three science reporters to weigh in on the race. The result is a three-part series on the science of leadership. In Part 1, Alix Spiegel looked at the personalities of American presidents.
Voters could learn some things about choosing a leader from a fish. Or a chimp. Or an elephant.
Originally published on Mon April 8, 2013 11:46 am
Don't touch that! It's hot! Well, actually, <em>there's a good chance</em> it's hot.
Credit Three Lions / Getty Images
Consider: two scientists are asked whether there's any doubt that humans are responsible for climate change. The first says, "It's a fact humans are causing climate change – there's no room for doubt." The second replies, "The evidence for anthropogenic climate change is overwhelming, but in science there's always room for doubt."
The first scientist is probably a more effective spokesperson for the scientific consensus. But the second scientist is providing a more accurate representation of how science works.
Originally published on Wed October 24, 2012 5:01 pm
By Alva Noë
Adaptation or biological imperative?
Credit Simon Maina / AFP/Getty Images
I grew up in Greenwich Village, not that far from the campus of New York University. Back in the 1970s campus demonstrations were pretty common, but I remember one in particular. I was walking by myself toward Washington Square Park and I came upon what was a small but very energetic and frightening protest. I think what made the encounter scary for me was that the students were objecting to the presence on campus of a "Nazi," who, apparently, was coming to give a lecture. Or maybe what I found disturbing was that I found it hard to believe the protesters.