General Awareness

ENVIRONMENT - November 2014

Nov 2014

Sep 09, 2015

World's Oldest Fossil Sea Turtle Discovered

A fossil sea turtle from Colombia that is at least 120 million years old is the world's oldest.
The skeleton from the Cretaceous period, with a length of nearly two metres, shows all of the characteristic traits of modern marine turtles.
The turtle described by us as Desmatochelys padillai sp. originates from Cretaceous sediments and is at least 120 million years old.

Sep 08, 2015

First Ever Leopard Count

As per reports, the first ever leopard census in India, carried out alongside the tiger census last year, has put the population of the species at 7910 in and around tiger habitats.
There are leopards outside the areas covered. Based on these numbers, the estimated total leopard population in India is in the range of 12,000 to 14,000.
The study found the species well distributed across the country, indicating that India's leopard population is quite healthy.

Sep 06, 2015

New Gene Discovery Could Improve Wheat Production

A new wheat gene has been discovered that helps the plant adapt to different climates and maximise grain production.
The newly characterised VRN-D4 gene and its three counterpart genes which were earlier identified are crucial for understanding wheat vernalisation, the biological process requiring cold temperatures to trigger flower formation.
The VRN-D4 gene and the other three vernalisation genes can be used by plant breeders to modify vernalisation requirements as they work to develop wheat varieties that are better adapted to different regions or changing environments.

Sep 05, 2015

Toxic Algae Swirl in Baltic Sea

The Baltic Sea is a troubled sea, and one of its recurring troubles is algal blooms that render its waters toxic.
There are many types of algae, some more benign than others, but concentrations like this are often devastating to larger sea life.
Sea lions on the U.S. West Coast have been stricken with seizures due to high algae levels.
Those creatures that do survive remain toxic themselves.

Sep 03, 2015

Earth's Tree Count

As per a new satellite study, there are more than 3 trillion trees on Earth, around 422 trees for every person, although the number is believed to have dropped by 46 percent since the start of human civilisation. The Yale-led international research found the result of the tree count is around seven and a half times more than some previous estimates.

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