Martha was the last passenger pigeon and she was named "Martha" in honor of the first Lady Martha Washington. The passenger pigeon died on September 1, 1914, at a zoo in Cincinnati.

In a recent study conducted at Washington University School of Medicine in St. Louis, MO, researchers have found that transfusion of blood can minimize the risk of repeated "silent" strokes in children suffering from sickle cell anemia. Researchers said that these silent strokes happen roughly in one of three children with this disease.

A new research has revealed that an insect-rich diet when regular food sources were not available helped early humans develop bigger brains. The increase in size of the brains played a significant role in improving cognitive functioning.

Preparations are in full swing to present to the people the fossils of the national Tyrannosaurus Tex in the best possible showcase.

A study has found that married people have fewer chances to suffer heart or blood-vessel problems compared to divorced, widowed or single people. The study based on the assessment of 3.5 million Americans has been presented at the annual meeting of the American College of Cardiology held in Washington, D.C.

Jakobshavn Isbrae, a Greenland glacier, has started moving faster into ocean, making itself the fastest flowing glacier on the globe. When compared with speed of the glacier in 1990s, it has increased by four times during this summer season.