Pluto is certainly the most famous (and beloved) object among the group that astronomers call dwarf planets, but for years it's appeared to rank a distant second in terms of size.
The world's population will cross the 7 billion mark this month and is projected to reach more than 9 billion by 2050. So many more people, plus rising living standards, mean that global agriculture will have to double food production by mid-century.Yet farming and ranching already exact a daunting toll on the environment: burn down rain forests to create more arable land, dump fertilizers onto fields that run off and choke life in rivers and oceans, emit volumes of greenhouse gases into the atmosphere, use up vast stores of freshwater for irrigation...
I knew I wasn't like the other kids. Oh sure, I collected baseball cards and model airplanes, but not with the passion that I saved for my real obsession—collecting each and every element of the periodic table.This was just part of my chemical romance, which also involved (but was not limited to): watching phenolphthalein solution in test tubes change color, launching sodium carbonate/acetic acid (vinegar)–powered rockets, generating the sulfurous odor of rotten eggs and making a smoke bomb that accidentally detonated in the basement, and eventually graduating to electrolysis and various combustibles that fortunately resulted only in singed eyebrows, but no loss of digits or eyesight.Outside of explosives, however, lay the Holy Grail—a complete set of the fundamental building blocks of the universe...
Controversial tests of geoengineering hardware, initially set to start in October, have been delayed. The British government agency that provides funding to the project issued the delay on September 29, in order "to allow time for more engagement with stakeholders."In mid-September, a team of U.K...
This year, the first Google Science Fair in partnership with Scientific American , CERN, LEGO and National Geographic drew more than 10,000 students from 91 countries.
In the spring of 2005, Steve Jobs gave the commencement speech at Stanford University. It had been a year since he had first been diagnosed with pancreatic cancer.
At Scientific American , we appreciate the value of a good experiment. So in May, we launched Bring Science Home as a series of free science activities for parents to do together with their six- to 12-year-old kids...
NANTES, France—Makemake may well have the most exotic name of the dwarf planets, and it now looks to be just as unusual on its surface.One of five recognized dwarf planets in our solar system, Makemake (pronounced MAH-kee MAH-kee) was discovered in 2005 in a broad, elliptical orbit outside the realm of Neptune...
Could Apple's media event Tuesday at the company's Cupertino, Calif., headquarters possibly live up to the hype preceding it? Put it this way: if you're an Apple fan you'll probably love the tweaks that the company has made to iOS5 to better integrate the iPhone and iPad and their apps...
A workplace accident might mean a paper cut or spilled coffee for many—or even loss of life or limb for others. For a select few scientists, however, a little slipup on the job could release a deadly virus or toxin into the environment.Some 395 reported "potential release events" of "select agents" occurred in U.S...
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