Eat it or lose it - why centuries of crop diversity are at risk

Centuries of crop diversity are at risk of being lost forever as farmers turn to just a few modern, high yielding varieties.

news.bbc.co.uk

Our writers talk back

Some of the previous contributors to the Green Room respond to readers' questions and comments.

news.bbc.co.uk

US vows 'huge' marine protection

The US is to establish "the largest area of protected sea in the world", banning fishing and mining, around its Pacific islands.

news.bbc.co.uk

'Wolfman' returns

Explorer Jim McNeill tracks down Arctic wolves

news.bbc.co.uk

Poetry or science?

Is romantic love just a chemical cocktail?

news.bbc.co.uk

Earth Watch

Why it is hard to predict sudden environmental crises

news.bbc.co.uk

Baby Jupiter's huge weight gain

The planet Jupiter must have gained mass fast during its infancy, according to astronomers.

news.bbc.co.uk

Panda bites his third tourist in two years at Beijing zoo

A panda at Beijing zoo bites a man for the third time in two years.

news.bbc.co.uk

Zimbabwe troops 'eat elephants'

A Zimbabwean wildlife campaigner tells the BBC that soldiers are being given elephant meat to eat, as the economic crisis deepens.

news.bbc.co.uk

Holes give edge to new armour

Scientists from the UK Ministry of Defence (MoD) have devised ultra-hard vehicle armour to protect military personnel.

news.bbc.co.uk

Feilden's blog

Ground-breaking new technique in stem cell science

news.bbc.co.uk

China alert over bird flu death

Chinese authorities shut down and clean poultry markets in Hebei province, after the first human death in nearly a year.

news.bbc.co.uk

Tech fair offers greener vision

Analysts at the Consumer Electronics Show say green credentials of tech products will become critical to success.

news.bbc.co.uk

Body repair 'could be ramped up'

A combination of drugs could trick the body into sending its repair mechanisms into overdrive, say scientists.

news.bbc.co.uk

A deep-sea fish caught in the Pacific has mirrors for eyes

A deep-sea fish caught in the Pacific has eyes which use mirrors as well as lenses, scientists discover.

news.bbc.co.uk

Beagle hunter

On a mission to find the most famous ship of science

news.bbc.co.uk

Mummy of female pharaoh uncovered

Egyptologists find remains of a mummy thought to belong to a queen who ruled 4,300 years ago, Egypt's antiquities chief announced.

news.bbc.co.uk

Mosquitoes make sweet love music

Sexy songs sung by mosquitoes in courtship could be key to curbing the spread of dengue fever, say scientists.

news.bbc.co.uk

Everest trip helps critically ill

Blood oxygen levels recorded on a trip by medics to Everest could help the treatment of critically ill patients.

news.bbc.co.uk

Black holes 'preceded galaxies'

Astronomers believe they have solved a cosmic chicken-and-egg question: what came first - black holes or galaxies?

news.bbc.co.uk

Animal matters

Scotland's debate over tests on primates

news.bbc.co.uk

Canadians claim South Pole record

A trio of Canadians claim a new record for the fastest trek across Antarctica to the South Pole.

news.bbc.co.uk

Heat may spark world food crisis

Half the world's population could face food crisis by 2100 as soaring temperatures cripple staple crops, scientists warn.

news.bbc.co.uk

First flight of algae-fuelled jet

Continental Airlines is the latest to test fly a jet biofuel, this time with a product derived partially from algae.

news.bbc.co.uk

Venomous mammal caught on camera

Rare footage of one of the world's most strange and elusive mammals is captured by scientists.

news.bbc.co.uk

 Science > Operations Research

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Science > Operations Research

Operations Research:

A Collection of Main OR/MS Journals Links

Annotated index.

http://www2.informs.org/Resources/Journals/Individual_Journals

Combinatorial and Integer Optimization

A good collection of readings on the subjects.

http://iris.gmu.edu/~khoffman/papers/newcomb1.html

Decision Tree for Optimization Software

Identify potential solution algorithms for your problems.

http://plato.la.asu.edu/guide.html

Graand

Free Classified Ads Portal

www.graand.com

Forecasting and Time Series on the Web

Includes a collection of publications links.

http://www-personal.buseco.monash.edu.au/~hyndman/forecasting

Game Theory

Provides an introduction to the field.

http://william-king.www.drexel.edu/top/eco/game/preface.html

Global (and Local) Optimization

Archive of information on global and local optimization.

http://www.mat.univie.ac.at/~neum/glopt.html

Global Optimization

Links to global optimization.

http://web.ift.uib.no/~antonych/glob.html

INFORMS OR/MS Resource Collection

Edited by Michael Trick.

http://www.informs.org/Resources/

Inventory Control Related Sites

Annotated index of sites for inventory (stock) control.

http://www.cris.com/~kthill/sites.htm

Logistics: The WWW Virtual Library

All the logistic links you ever need.

http://logisticsworld.com/logistics

Maths, Stats & OR Network

Incorporates many of the relevant resources.

http://ltsn.mathstore.ac.uk

Michael Trick’s Operations Research Blog

Thoughts, opinions, and pointers on the world of OR/MS.

http://mat.tepper.cmu.edu/blog

The Operations Research Management Science Blog

A blog about Operations Research / Management Science.

http://www.ormsblog.com/

Operations Research

A collection of links.

http://www.geocities.com/sxm418/or.htm

Optimization and Operations Research

A list maintained by Henry Wolkowicz.

http://orion.math.uwaterloo.ca/~hwolkowi/intrstsites.html

Optimization Center

Includes research, software, problem solving server and eprint guide page.

http://www.ece.northwestern.edu/OTC/

OR-Library

A library of problem instances covering various OR/MS areas.

http://people.brunel.ac.uk/~mastjjb/jeb/info.html

Principles of Forecasting

Provides practical guide for forecasting.

http://www.forecastingprinciples.com/

Queueing Theory Basics

Outlines analytical models for customer waiting times for services. [PDF]

http://nest.cs.uiowa.edu/22C178f00/pdf/qintro.pdf

The Science and Technology of Decision-making

A good set of OR/MS applications.

http://www.princeton.edu/~civ105

Software Surveys

A collection of surveys of OR/MS software.

http://www.lionhrtpub.com/software-surveys.shtml

System and Simulation Links

A compilation of links on system modeling and simulation.

http://www.isima.fr/ecosim/simul/simul.html

Timetabling

Automated timetabling issues and methods.

http://www.asap.cs.nott.ac.uk/ASAP/watt

TORSCHE Scheduling Toolbox for Matlab

It performs various off-line and on-line scheduling.

http://rtime.felk.cvut.cz/scheduling-toolbox/

Traveling Salesman Problem: ZIP-Method

A new solution algorithm for the TSP.

http://www.jochen-pleines.de/sprachen/english.htm

Unsolved Problems in OR

A good collection.

http://www.statslab.cam.ac.uk/~rrw1/research/unsolved.html

WORMS

World-wide-web for OR/MS.

http://www.worms.ms.unimelb.edu.au/