2018-09-03 所属栏目:科学美国人

Pineapples—just thinking about this delicious tropical fruit, rich in vitamin C, might make your mouth water. But have you ever stopped to think where the peel and other wast

2018-08-28 所属栏目:科学美国人

Hi, I’m Scientific American podcast editor Steve Mirsky. And here’s a short piece from the August 2018 issue of the magazine, in the section called Advances: Dispatches

2018-08-27 所属栏目:科学美国人

If you've ever used a digital assistant like Siri or Alexa, you know the back and forth doesn't quite have the same rhythm as real human-to-human conversation. The pauses are jus

2018-08-24 所属栏目:科学美国人

Every spring, a bird called the barnacle goose migrates from the coast of the North Sea to the Russian Arctic, where it breeds. That’s a 3000-kilometer trip. Along the way, t

2018-08-23 所属栏目:科学美国人

Freeloaders. They just sit around while their hard-working colleagues get things done. But might freeloaders actually be necessary for society to function efficiently? The answer c

2018-08-22 所属栏目:科学美国人

Abandoned pueblos are scattered throughout the southwestern U.S. And at many, archaeologists have uncovered a curious artifact: the skeletons of scarlet macaws. The birds' bright

2018-08-21 所属栏目:科学美国人

One of the delights of summer is to see monarch butterflies dancing through the air. But it’s becoming harder to see them in certain locales—in some places the populati

2018-08-17 所属栏目:科学美国人

Every winter, huge hordes descend upon the parking lots of big box stores. Not Black Friday shoppers… but crows. There's videos all over YouTube.

<<YouTube clip: "And as

2018-08-17 所属栏目:科学美国人

Hi, I&rsquo;m Scientific American podcast editor Steve Mirsky. And here&rsquo;s a short piece from the August 2018 issue of the magazine, in the section called Advances: Dispatches

2018-08-16 所属栏目:科学美国人

Where were you on August 21, 2017? If you&rsquo;re like me—and a couple hundred million other Americans—you were watching the total eclipse of the sun. <<Sound of Karen

2018-08-15 所属栏目:科学美国人

Not too long ago we thought that only humans could make and use tools. Then Jane Goodall watched a chimpanzee called David take a small twig, snap the leaves off, stick it into a t

2018-08-14 所属栏目:科学美国人

Chemists come up with new substances every year to go in everything from makeup to medicines. But introducing these chemicals into products also raises questions about their potent

2018-08-14 所属栏目:科学美国人

Dating apps like Bumble and Tinder can help singles couple up. But online dating is also great for scientists.

"There's so much folk wisdom about dating and very little hard evi

2018-08-10 所属栏目:科学美国人

Baleen whales are the gentle giants of the sea. Despite their colossal size, they feed on tiny creatures such as krill and zooplankton. That&rsquo;s because these whales, instead o

2018-08-09 所属栏目:科学美国人

Plants need three things to grow: air, water and nutrients. Farmers usually take care of the last bit by fertilizing their fields. But now scientists have found a type of corn that

2018-08-09 所属栏目:科学美国人

People speak thousands of languages in the world today. And same goes for the bird world.

"Each bird species has effectively its own language." Andy Radford, a professor of behav

2018-08-03 所属栏目:科学美国人

Every day, five million commuters ride the Hong Kong metro. Human commuters that is. Because there are countless more microbes riding the trains, too.

"Yes it seems they are also

2018-08-02 所属栏目:科学美国人

Eagle Eye by Simon Makin

2018-08-01 所属栏目:科学美国人

Crows react really strongly to one of their own being dead—including gathering around their deceased comrades. Some experts believe that these so-called crow funerals are eff

2018-07-31 所属栏目:科学美国人

When you burn your tongue or cut your cheek, the pain can be intense. But the wound heals pretty quickly, compared to injuries elsewhere.

That&rsquo;s because all the factors nee

2018-07-30 所属栏目:科学美国人

The U.S.&ndash;Mexico border is a hotspot for biodiversity. "You have deserts, you have grasslands, you have mountain ranges." Paul Ehrlich, an evolutionary biologist and ecologist

2018-07-27 所属栏目:科学美国人

Hi, I&rsquo;m Scientific American podcast editor Steve Mirsky. And here&rsquo;s a short piece from the July 2018 issue of the magazine, in the section called Advances: Dispatches f

2018-07-26 所属栏目:科学美国人

We have pretty good dental hygiene today—regular brushing, flossing, dental visits. But thousands of years ago? Not so much. Which means the old-timers' teeth had a lot of p

2018-07-24 所属栏目:科学美国人

The big hurricanes last summer—Harvey, Irma and Maria—knocked out internet service for many residents. But another threat to the internet is just regular old sea level

2018-07-23 所属栏目:科学美国人

It&rsquo;s called the whale shark. And, as the name implies, it&rsquo;s huge. In fact, it&rsquo;s the largest living fish in the world. But there&rsquo;s still much unknown about t