Questions

Gitanjali Rao, an 11-year-old Indian-American schoolgirl, was named as "America’s top young scientist" for inventing a cost-effective, quick lead-contamination detector in water. The seventh-grade student was inspired by the large-scale lead contamination in water in Flint, Michigan, that came to light recently.

For the first time in Sri Lanka, the United Nation Vesak Day celebration will be held in Colombo and Kandy from May 12 to 14. Indian Prime Minister Narendra Modi will be the chief guest of the opening ceremony which will be held at BMICH in Colombo while Nepali President Bidhya Devi Bhandari will attend for the closing ceremony which is scheduled to be held at the Sri Dalada Maligawa premises in Kandy.

Thomas Babington Macaulay

Siphon is a tube bent to form two legs of unequal length by which a liquid can be transferred from a reservoir and then down to a lower level of it.

Siphon will fail to work if, the level of the liquid in the two vessels are at the same height.

The pharynx is a passageway shared by both food and air.

Squirrels typically build leaf nests in the summer by weaving together small branches they've gnawed off of trees. These nests are lined with grass, moss, leaves and pine needles. Both male and female gray squirrels of all ages participate in building dens.