Honey bees to detect landmines
January 20, 2009
Bees are incredible creatures that have clearly defined roles. Between 20,000 and 60,000 bees live in a single hive with the queen bee as the head of the ‘family’. In fact the queen bee lays 1500 eggs a day and lives for nearly two years. The next in the hierarchy is the drone who is essentially lazy — his sole job being to mate with the queen bee.
Drones live for about 24 days, have no stingers and do nothing at all. The work is left to the workers in the hive who fly around gathering pollen and nectar.
Worker bees can fly up to 14 kms to find ‘food’, working up speeds of around 24 kms per hour. Once a worker bee finds flowers from where it can collect nectar it performs a dance — the orientation of the bee’s movements and the frequency of its vibrations indicate the direction and distance of the flowers. But this hectic activity takes its toll and most worker bees die within 40 days.
Apart from collecting nectar and placing it in the honeycomb cells, the workers evaporate any water from it by rapid wing movements. When the amount of water is less than 18 per cent, the mixture is called honey. The cells are now sealed and the hive is ready to be defended by the worker army.
But all this apart, honeybees are pretty clever. They can tell which items are similar to each other and which are different. In fact, scientists who have been conducting experiments and studying bees say that they can even count the landmarks they pass on the way to get their food. “I have been studying honeybees since 1980, and I am often surprised by our experimental results. The bee is smart,” says Shaowu Zhang at the Australian National University in Canberra. Zhang and his team trained 20 bees to fly through a tunnel and into a hole that was marked with either two or three blue dots. The team found that bees have basic numerical abilities. They can recognise a pattern based on the number of elements it has. For instance they can learn to tell three blue dots, then find three yellow stars and so on. Scientists are also thinking of using bees to detect landmines — something that may be useful in several war-torn countries.
Rahman returns home
January 15, 2009
Isai puyal A R Rahman after receiving the coveted Golden Globe award for Best Original Music Score for ‘Slumdog Millionaire’ returned home in the early hours today to a rousing welcome of his fans and well wishers.
Avid fans thronged the airport to receive their hero even as traditional musicians playing the ‘Nadaswaram’ and other folk artistes’ performances were in place to receive the musician.
Rahman, whose fans followed him all the way till his house, said he was sharing the award with all Indians and amils.
slingback sandals
January 11, 2009
aggressive child born when lady smoke at her pregnent time
January 9, 2009
Pregnant women who smoke risk delivering aggressive kids, according to a new Canada-Netherlands study.
Aggressive offspring were characterized by their mothers as quick to hit, bite, kick, fight and bully others. The research has been published in the journal Development and Psychopathology.
While previous studies have shown that smoking during gestation causes low birth weight, the new research shows mothers who light up during pregnancy can predispose their offspring to an additional risk: violent behaviour.
Acting fast to start our own company
January 8, 2009
In this present worst situation in IT field all our sea bloggers wanted to start a company so all are in discussion about the place and projects,clients etc….Likely in my home there is a place suitable for our office.It is comfortable for us.Currently we are interested to do projects in C,C++ languages if anyone view this post and want any projects kindly contact me at babudee@gmail.com at very affordable costs.We are very active youngsters who waiting to achieve great things which any one can’t dream.
Quality products in affordable rates
January 8, 2009
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3,500 lives lost in floods in 2008
January 7, 2009
3,500 people have lost their lives in the country this year due to floods which also damaged over 20 lakh houses and led to the deaths of 45,000 cattle.
The state which saw highest number of deaths due to floods in 2008 was Uttar Pradesh with 1,210 losing their lives. Bihar was second with 524 deaths, followed by West Bengal with 288, a Home Ministry report said.
Over 35.18 lakh hectares of cultivable land have also been damaged due to floods in 21 states and the Union Territory of Puducherry.
The states which were not affected due to floods this year are Jammu and Kashmir, Manipur, Meghalaya, Mizoram, Nagaland and Tripura.
“In floods in various parts of the country, a total of 3402 people were killed. 43,383 cattle were lost and 20,52, 763 houses were damaged,” a Home Ministry official said.
chemotherapy
January 6, 2009
It is believed that chemotherapy uses chemicals to kill all cancer cells. But a new study says that some affected cells are capable to deceive the treatment.
lankan troops entered mullai theevu
January 5, 2009
Sri Lankan troops fighting their way towards the last major bastion of the Tamil Tiger rebels in the northeastern Mullaitivu district on Sunday entered a strategic township ahead of Mullaitivu town after fierce clashes, defence authorities here said.
Bolstered with confidence after retaking their main politico-administrative town of Kilinochchi two days ago, the troops backed by armour, artillery and aerial bombardment forced their way into Oddusuddan township.
“Troops of Task Force 4, who have continued their advances further northwards after capturing Nadunkeni have entered Oddusuddan township by this afternoon following the day-long fighting,” the defence ministry said.
It said that the strategically vital Oddusuddan junction located along the Mankulam-Mullaitivu (A-34) main highway had been used by the Liberation Tigers of Tamil Eelam (LTTE) “for their administrative and logistic purposes as it has direct route access towards Mullaitivu, Puthukkudiyiruppu, Mankulam and Nedunkerni”.
