The twin blasts killed three people and wounded more than 260 others at the end of the city's marathon in April 2013
Massachusetts Institute Of Technology
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Tuesday 13 April 2010
It is fair to say that without photosynthesis life on Earth would be very different. It is arguably the most critical biological process. It has allowed life to flourish but it is also the basis of advanced, industrialised societies which are built on the energy of fossil fuels stored in the ground. Plants have developed a form of energy conversion that scientists would love to emulate. Using a pigment, chlorophyll, and a sophisticated bagfull of enzymes called a chloroplast, plants are able to convert the energy of the sun, and the carbon dioxide of the air, into a chemical fuel that can be stored as a fossil fuel for millions of years.
Tuesday 13 April 2010
Friday 26 March 2010
Friday 12 March 2010
Saturday 20 February 2010
The 1960 science-fiction novel A Canticle for Leibowitz concerns a community of Latin-speaking monks surviving in an America devastated by nuclear war.
Wednesday 20 January 2010
Tuesday 19 January 2010
Monday 18 January 2010
The day when patients can “swallow their doctor” has come a step closer with the development of a submicroscopic nanoparticle that acts as an intelligent pill to deliver drugs when and where they are needed in the body.
Tuesday 05 January 2010
Monday 04 January 2010
Paul Samuelson: Nobel Prize-winner widely regarded as the most important economist of the 20th century
Wednesday 16 December 2009
At precisely eight in the morning of 2 January, 1932, a brilliant first-year student, aged just 16, wandered into a lecture on Thomas Malthus at the University of Chicago – and in his own words, "was born again as an economist." Thus began the career of Paul Samuelson, arguably the most important, and certainly the most widely read, academic economist of the 20th century.
Tuesday 15 December 2009
Economist Paul Samuelson, who won a Nobel Prize for his effort to bring mathematical analysis into economics and helped shape tax policy for President Kennedy, has died at home aged 94.
Monday 26 October 2009
The Pentagon has declared our dependence on fossil fuels a security threat. Veterans from Iraq and Afghanistan are travelling the country as part of Operation Free, campaigning to end our dependence on oil. Leaders in the business community are standing with leaders in the environmental community to protect the economy and the planet we leave for our children. The House of Representatives has already passed historic legislation.
Wednesday 21 October 2009
Thursday 17 September 2009
More Britons believe that multiculturalism makes the country worse - not better, says poll
Nathan Collier: Montana man inspired by same-sex marriage ruling requests right to wed two wives
Greece crisis: IMF was pushed around by Angela Merkel and Nicholas Sarkozy – and now it is being humiliated
'I wish the BBC would stop calling it Islamic State' – David Cameron unleashes frustration at broadcaster
Forget little green men – aliens will look like humans, says Cambridge University evolution expert
Girl, 7, stares down hate preacher at Ohio festival with pro-LGBT rainbow flag gesture
- 1 BBC told new political editor must be 'impartial' with Nick Robinson reportedly stepping down
- 2 Humans of New York image of crying gay teen receives best response yet from Ellen DeGeneres
- 3 Number of young homeless people in Britain is 'more than three times the official figures'
- 4 Motorists taunt suicidal woman on bridge and tell her to 'get on with it'
- 5 The map showing the most dangerous tourist destinations in Europe, according to the Foreign Office