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World Environment Day on June 5: Become an Earth Warrior

Where: Worldwide June 4, 2009 : World Environment Day is observed every year on June 5. It was established by the United Nations General Assembly in 1972. The guiding principle is that people have to take responsibility for the environment. The earth's rain forests are disappearing, chemicals have poisoned our air, marine life is dying in our polluted...

Heads of Government to Seek Solutions to World Economic Crisis at G20 Summit

Where: London, United Kingdom March 30, 2009 : The heads of the world's 20 largest economic powers, the Group of 20 or G20, will assemble in London on April 2, 2009. The London summit will focus on finding solutions to the present global economic crisis. The G20 is a forum that includes G-7, the world's seven leading industrialized nations...

Swine flu flies to all corners of the earth

Where: Worldwide! April 30, 2009 : Swine Flu has claimed the life of its first victim in the United States of America, a small child who lives near the Mexican border. With this, it appears that the world is on the brink of a virus attack, the Swine Flu. It all started in Mexico, in South America, where people started...

World Health Organisation Declares Swine Flu Pandemic

Where: Geneva, Switzerland June 12, 2009 : The World Health Organisation (WHO), one of the United Nations organisations, officially declared a worldwide swine flu pandemic* after an emergency meeting on June 11, 2009. The flu, which has spread all over the world, is a new strain of the influenza A virus subtype H1N1. The virus was identified in...

Is Tomato a Vegetable or a Fruit?

Is tomato a vegetable or a fruit?
We think the tomato is a vegetable, but it is actually a fruit. Because it is not sweet and is used for providing flavour to food, we think of it as a vegetable. The tomato is originally from Mexico. The word "tomato" comes from the Spanish tomate, which in turn comes from the Nahuatl word tomatotl. Spanish explorers who went...

What are Volcanic Tubeworms?

What are Volcanic Tubeworms?
In order to raise chicks the farmer keeps the eggs warm and is careful not to crush them. But when scientists in the University of Southern California rear tubeworms, they keep the immature worms very cold and under high pressure. You would think the scientists are being cruel by subjecting these little worms to such extreme conditions. They are not. The...

Grey whales spend the summer feeding in the…

Grey whales spend the summer feeding in the Arctic. Then they swim south along the Pacific coast to breed near Mexico, returning north in the spring. This is a round trip of 20,000 km (12,500 miles), about the same distance as a trip from London in England to Auckland in New Zealand.

Dealing With the Potential Danger of a Meteor Hitting Earth

Deep crater seen from helicopter. Myvatn area in Iceland
Our solar system is like a busy traffic round-about. The sun is at the centre of this round-about which drives a large number of heavenly bodies, including planets, comets and large and small rocks around it. While the earth and the other planets chart fairly fixed paths around the sun, our smaller solar siblings, like rocks, do not believe in...

Why do Meteorites Strike the Earth?

One of the world's best preserved meteorite impact site is in Northern Arizona, USA.
On a hot summer afternoon, I sat down with my elder brother to play carom. I took the first strike and pocketed two coins. Then I did a little war dance. Wow! Suddenly dada (Bengali for elder brother) had an idea. "How would it be if a fast-travelling object hit the earth? Quite like the way the striker hit the...

Sea Turtles

The leatherback sea turtle
Can you name an animal that returns to the place of its birth, every single year, journeying more than 1,000 km to do so? Well, here is another hint: this animal is a sea creature that originated on earth more than 200 million years ago- making the species older than the oldest ever dinosaur. Give up? They are none other...