current Event 4

Thursday, October 28, 2010

The Power of Thoughts

How cool would it be to be able to control indavidual braincells with only your thoughts? I will tell you it would be really cool, and possible today.

Five years ago, neuroscientist Christ of Koch of the California Institute of Technology (Caltech) discovered that a single neuron in the human brain can function much like a sophisticated computer and recognize people, landmarks, and objects, suggesting, sometimes even memories.

In the October a statement was made by Koch (the Lois and Victor Troendle Professor of Cognitive and Behavioral Biology and professor of computation and neural) “individuals can rapidly, consciously, and voluntarily control neurons deep inside their head,.” This was also proven in the UCLA.

The study was conducted on 12 patients at the David Geffen School of Medicine at UCLA, where Fried directed the Epilepsy Surgery Program. All of the patients suffered from seizures that could not be controlled by medication. To help localize where their seizures were originating in preparation for possible later surgery, the patients were surgically implanted with electrodes deep within the centers of their brains Cerf used these electrodes to record the activity, as indicated by spikes on a computer screen, of individual neurons in parts of the medial temporal. Prior to recording the activity of the neurons, Cerf interviewed each of the patients to learn about their interests. "I wanted to see what they like -- say, the band Guns N' Roses, the TV show House, and the Red Sox," he says. Using that information, he created for each patient a data set of around 100 images reflecting the things he or she cares about.

In conclusion I believe that I have stated enough facts to prove that it can help people with diseases and change the future.

Simply Bibliography

Pictures

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Information

http://www.sciencedaily.com/releases/2010/10/101027133158.htm

Current Events 3 (Rare Japanese Plant Has Largest Genome Known to Science)

Scientists at Kew's Jodrell Laboratory have discovered that Paris Japonica, a striking rare native of Japan(1), has the largest genome(2) of them all -- bigger than the human genome and even larger than the previous record holder -- the marbled lungfish.

The diversity of genome sizes (the amount of DNA) in plants and animals has fascinated but at the same time puzzled scientists since this variation was first detected in the early 20th century. How and why such diversity evolved are important unanswered questions because we know that it has biological and ecological consequences that affect the distribution and persistence of biodiversity.

There is a staggering diversity of genome sizes. The smallest genome (3) so far reported (0.0023 pg of DNA) is found in a parasite of humans and other mammals. The human genome, at 3.0 pg, is 1300 times larger than this, but this pales into insignificance compared to those found in some animals and plants.

Among animals, some amphibians have enormous genomes, but the largest recorded so far is that of the marbled lung fish with 132.83 pg(3) . Among plants, the record holder for 34 years was a species of fritillary until earlier this year when a Dutch group knocked the fritillary off the top spot when they found that a natural hybrid of trillium , related to herb paris had a genome just 4% larger than the fritillary (132.50 pg).

This was widely thought to be approaching the maximum size that a genome could reach, until this summer when a team of Kew scientists discovered that the genome of another close relative of herb paris, Paris japonica from Japan, is a staggering 15% bigger than the genome of either the trillium or the fish at a whopping 152.23 pg

sources:

http://www.sciencedaily.com/releases/2010/10/101007120641.htm information

http://www.sciencedaily.com/releases/2010/10/101007120641.htm picture