Colonies in space
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Richard Gottprofessor of astrophysics at Princeton,hopes man will set up a self-sufficient colony on Mars,which would be a “life insurance policy against whatever catastrophes,natural or otherwise,might occur on Earth.
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“The real space race is whether we will colonise off Earth on to other worlds before money for the space programme runs out.” 6 h; x) N( X' o; h* U7 F0 _, V
# }$ o: P, G% S& i$ } Spinal injuries 外语学习网
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Ellen Heber-Katz,a professor at the Wistar Institude in Philadelphia,foresees cures for inijuries causing paralysis such as the one that afflicated Superman star Christopher Reeve.
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She says:”I believe that the day is not far off when we will be able to profescribe drugs that cause severes(断裂的) spinal cords to heal,hearts to regenerate and lost limbs to regrow. : Q5 x1 W5 r, X7 T2 \3 I$ N
+ |& ^* m5 e( A# v( h, Z0 _2 i “People will come to expect that injured or diseased organs are meant to be repaired from within,inmuch the same way that we fix an appliance or automobile:by replancing the damaged part with a manufacturer-certified new part.”She predict that within 5 to 10 years fingers and toes will be regrown and limbs will start to be regrown a few years later. Reparies to the nervous system will start with optic nerves and,in time,the spinal cord.”Within 50years whole body replacement will be routine,”Prof.Heber-Katz adds. & I, i* E* Y1 M4 U/ F
2 {5 f# N0 O9 \" N Obesity # B$ {( _8 X- ?# e
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Sydney Brenner,senior distinguished fellow of the Crick-Jacobs Center in California,won the 2002 Noblel Prize for Medicine and says that if there is a global disaster some humans will survive-and evolition will favour small people with bodies large enough to support the required amount of brain power.”Obesity,”he says.”will have been solved.”
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8 r: w2 y5 Y( k/ O5 _+ B2 e Robots
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8 |' J9 X6 T% K; V: {6 C4 G' w, ~ Rodney Brooks,professor of robotice at MIT,says the problems of developing artificial intelligence for robots will be at least partly overcome.As a result,”the possibilities for robots working with people will open up immensely” - B8 g% q! e+ t- j, a$ J
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Energy * H6 a2 `5 p7 z2 b, L1 z
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Bill Joy,green technology expert in Califomia,says:”The most significant breakthrought would be to have an inexhaustible source of safe,green energy that is substantially cheaper than any existing energy source.” z1 Q, S5 G5 z0 \! D {9 g
% q" Z; q# c: f; f9 {; P Ideally,such a source would be safe in that it could not be made into weapons and would not make hazardous or toxic waste or carbon dioxide,the main greenhouse gas blamed for global warming.
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5 T" u: Y; x3 A/ U' @ Society
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% \1 C& ~1 v0 z! j' X, x Geoffrey Miller,evolutionary psychologist at the University of New Mexico,says:”The US will follow the UKin realizing that religion is nor a prerequisite (前提)for ordinary human decency. 8 h6 v# n* `) E* D* f+ }9 w
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“This,science will kill religion-not by reason challenging faith but by offering a more practical,uniwersal and rewarding moral frameworkfor human interaction.” % U7 S7 m, v' c! v
1 r/ }/ a; A9 ~1 j- ]9 i2 c He also predicts that “ahsurdly wasteful”displays of wealth will become umfashionable while the importance of close-knit communities and families will become clearer.
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These there changer,he says,will help make us all”brighe\ter,wiser,happier and kinder”. |