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The alikeness of identical twins can be startling. They are alike because all their genes are alike. Genes are those segments of the genome where, if changes occur, the characteristics of an organism change. Non-identical twins vary in 50% of their genes and are much less alike. Thus, genes define our individuality in many ways….
Read More “An unlikely mystery: studies shed new light on how genes are made” »
ISRO’s PSLV-C60 carrying SpaDeX and its payloads, lifts off from the first launch pad at Satish Dhawan Space Centre, in Sriharikota, Andhra Pradesh, Monday, Dec. 30, 2024. | Photo Credit: PTI The Indian Space Research Organisation (ISRO) announced early on Sunday (January 12, 2024) that the SpaDeX satellites SDX01 (Chaser) and SDX02 (Target) are within…
Read More “SpaDeX Mission | Two satellites just 50 feet away for an exciting handshake says ISRO” »
ISRO’s PSLV-C60 carrying SpaDeX and its payloads, lifts off from the first launch pad at Satish Dhawan Space Centre, in Sriharikota, Andhra Pradesh, Monday, Dec. 30, 2024. | Photo Credit: PTI The Indian Space Research Organisation (ISRO) announced early on Sunday (January 12, 2024) that the SpaDeX satellites SDX01 (Chaser) and SDX02 (Target) are within…
Read More “SpaDeX Mission | Two satellites just 50 feet away for an exciting handshake says ISRO” »
Image used for representational purpose. File | Photo Credit: Getty Images The story so far: An assessment of India’s groundwater by the Central Ground Water Board (CGWB) found that several States are grappling with a serious problem of nitrate contamination. Which are the sources of contamination? The most concerning finding was that the number of…
Read More “Is groundwater contamination high in India? | Explained” »
The first big news from the Indian Space Research Organisation (ISRO) in the New Year seems to have an in-built element of surprise in it. On January 7, V. Narayanan, a rocket and spacecraft propulsion expert, who heads the ISRO’s Liquid Propulsion Systems Centre (LPSC) in Thiruvananthapuram, was named successor to S. Somanath, the current…
The beginning Born in Greensboro, U.S., in July 1859, Henry Louis Smith did his schooling at the local high school, which was run by his uncle. He entered Davidson College in 1877, and while he graduated with honours in 1881, his involvement with them lasted much longer. He served as the principal of the Selma…
Researchers in India can use CRISPR-Cas9 only for academic purposes When you edit a letter or a document, you make specific changes in the words and phrases to make the meaning clearer. Gene editing involves changing the sequence of DNA using specific enzymes which can cut DNA at a precise location, thus permitting the removal,…
A new study estimates that in 2020, 2.2 million new cases of type 2 diabetes and 1.2 million new cases of cardiovascular disease occur each year globally due to consumption of sugar-sweetened beverages, representing 9.8% and 3.1%, respectively, of all incident cases. The study estimated sugar-sweetened beverage-attributable type 2 diabetes and cardiovascular disease burdens across 184 countries in 1990 and 2020. As per the…
Read More “Millions of diabetes, heart disease cases globally linked to sugary drinks” »
A Japanese researcher has found that a monkey’s ability to rapidly detect snakes is because of the presence of snake scales as a visual cue. The findings highlight an evolutionary adaptation of primates to identify snakes based on specific visual characteristics. In an experiment the researcher demonstrated that monkeys exhibited an immediate response to images…
Plasticizers, which are added to plastics and personal care products, can be absorbed through the skin Besides plastics, the amount of carcinogenic plasticizers in the environment is increasing at an alarming rate. Plasticizers are chemicals added to plastics and personal care products to enhance flexibility and shine, and are commonly found in items such as…
Read More “IIT Roorkee uses bacterial enzymes to degrade plasticizers” »