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Will Asteroid Hit Us?

September 23, 2004
As usual, astronomers are reassuring us that the asteroidToutatis, which will be heading our way in September, won?timpact the Earth. And also as usual, warnings about animpending impact are flying across the internet. Who'stelling the truth? Alan M. MacRobert writes... continued

GM Grass Taking Over

September 23, 2004
In almost all cases?from corn to salmon?genetically modifiedversions are stronger than natural ones and tend to takeover, eradicating the original species. Now it's been shownthat the pollen from a variety of GM grass being used ongolf courses has blown over... continued

Where to Go to Avoid Global Warming

September 23, 2004
A computer program that predicts regional climate changereveals that that global warming won?t be as severe in thecentral United States as in other parts of the country. Thisarea includes Missouri, Iowa, Nebraska and Oklahoma. Atmospheric scientist Zaitao Pan says, "The... continued

Mars Travel Problem: Jet Lag

September 22, 2004
Some relatively simple problems may stop us from evercolonizing Mars. One of them is jet lag. Another is litter. Our bodies are used to a 24-hour cycle, and a day on Mars isan extra 39 minutes long, which could make... continued

Ex-Cop Locates Mystery Signal Source

September 22, 2004
Ham radio operators across the western U.S. and Canada havebeen picking up amysterioussignal coming from an area near Sedona, Arizona. One of ourreaders has discovered amysteriousranch near Prescott, Arizona, where secret militarymaneuvers seem to be taking place, which HAS AN... continued

Can We Dig Deeper for More Oil?

September 22, 2004
As China modernizes, it uses more oil, while an unstableMiddle East means there's less oil available. Oil wells arecurrently drilled 3 to 5 miles into the Earth's crust. If wedig deeper, will we discover more oil? Geophysicist Russel Hemley says,... continued

Lost Nuke Finally Found

September 22, 2004
We recently wrote about bombs on a sunken ship near Londonthat could blowany time. Now an officer whose plane crashed in 1958 haslocated the lost hydrogen bomb that was aboard?it's off thecoast of Savannah, Georgia. Good Morning American reports that... continued

Dreams May be Meaningless

September 21, 2004
Sleep researchers now think that dreams are produced in graymatter that's deep in the back of the brain. Scientistsstudying a woman who lost her ability to dream after astroke in that area are trying to discover if dreams haveany meaning.... continued

Earlier Native Americans

September 21, 2004
Some of the earliest settlers of America may have come fromAustralia, southern Asia, and the Pacific, instead of overthe Bering ice bridge (which no longer exists) from Siberia.Ancient bones 12,000 years old have long and narrow headsthat are very different... continued

Can Cats Give Us Bird Flu?

September 21, 2004
During the SARS epidemic, we reported that it killed somecats (including big ones in zoos). Now it's been discoveredthat the deadly bird flu that's been spreading through Asiacan be caught by cats as well, who can then pass it on... continued