Science

Applications of atmospheric pressure Drinking Straw  When drinking with a straw, one has to suck the straw. This causes the pressure in hte straw to decrease. The external atmospheric pressure, which is greater, will then act on the surface of the water in the glass, causing it to rise through the straw. Rubber Sucker  When … Read more

Cell structure and its functions Cell is the smallest structural and functional unit of an organism, which is typically microscopic and consists of cytoplasm and a nucleus enclosed in a membrane. Structure of cell The cell is a basic unit for life forms. As well as enabling sophisticated control of biochemical processes by providing compartments … Read more

Properties of paints  Exterior paint is exposed to all types of varying weather conditions. Exterior paint is therefore required to provide protection against UV radiation of the sun as well as fungal growth.  It’s made to combat mildew as well as fading. In addition, they have to be fade resistant as they face … Read more

The DNA Technology (Use And Application) Regulation Bill, 2019 was introduced in the Lok Sabha. The bill which is also known as the DNA profiling bill, tries to check use of DNA technology to establish the identity of a person. According to the government, the DNA technology bill aims to establish the identity of missing … Read more

NASA had announced that it will launch a space probe called Dragonfly on an ambitious mission to Saturn’s moon Titan. It will be launched in 2026 and arrive in 2034.  It will mark the first time that NASA will fly a multi-rotor vehicle for science on another planet. It will be having eight rotors and … Read more

In vitro fertilisation: In vitro fertilization (IVF) is a complex series of procedures used to help with fertility or prevent genetic problems and assist with the conception of a child. During IVF, mature eggs are collected (retrieved) from ovaries and fertilized by sperm in a lab. Then the fertilized egg (embryo) or eggs (embryos) are transferred … Read more

Genome sequencing is figuring out the order of DNA nucleotides, or bases, in a genome—the order of As, Cs, Gs, and Ts that make up an organism’s DNA. The human genome is made up of over 3 billion of these genetic letters. Today, DNA sequencing on a large scale—the scale necessary for ambitious projects such … Read more

Although, the remote sensing includes a wide array of technologies and types, but they all are based on certain common concepts with the same basic components. The basic components of remote sensing system are given below: • Target • Energy source • Transmission path, and • Sensor. The target is the object or material being … Read more

The environment-friendly bio-toilets for passenger coaches were developed jointly by Indian Railways and Defence Research and Development Organisation (DRDO).In the bio-toilet fitted coaches, human waste is collected in bio digester tanks below the toilets and is decomposed by a consortium of anaerobic bacteria.By the process of hydrolysis, acetogenesis, acidogenesis and methanogenesis, the anaerobic bacteria converts … Read more