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While many key traits such as strength, limb length, lifespan and brain size tend to increase with animals’ size, maximum running speeds tend to be greatest in medium-sized animals. Empirical data show that maximum running speed increases up to a critical body mass and then decreases — the fastest runners are of intermediate size. The…
Read More “Why do medium-sized land animals like cheetahs tend to be fastest?” »
Inspired by the classic drinking bird toy, scientists in Hong Kong and Guangzhou, China have developed an engine that efficiently converts energy from water evaporation into electricity to power small electronics. The device produces energy outputs exceeding 100 volts — much higher than other techniques that generate electricity from water — and can operate for…
Read More “ Toy-inspired engine creates power from evaporated water ” »
Questions: 1. In the last period of classical Japan, between around 800 and 1200 AD, people would preserve water as ice during the winter. During the summer, they would shave slivers off this ice, pour a flavoured syrup onto them, and serve them to the aristocracy. What was this dish called? 2. In the 16th…
Compressed metal cans are seen at Indaver Plastics Recycling (IPR) plant in Willebroek, Belgium March 14, 2024. | Photo Credit: Reuters At least 3,000 more chemicals are in plastics — from food packaging to toys to medical devices — than previously estimated by environmental agencies, a report published on Thursday found, raising questions over pollution…
Read More “Chemicals in plastics far more numerous than previous estimates, report says” »
Three killer whales surface through a breathing hole in the ice of Hudson Bay near the community of Inukjuak, Quebec January 9, 2013. | Photo Credit: Reuters Menopause is a rare trait among Earth’s species, known to exist in only a few. Humans are one. Killer whales and four other toothed whales are the others….
Read More “Why did menopause evolve? New study of whales gives some clues” »
An astronaut is shown in this handout photo provided by NASA participating in a spacewalk that took place on December 24, 2013, released on December 27, 2013. | Photo Credit: Reuters Research in the expanding field of space medicine has identified many ways in which a microgravity environment and other factors can meddle with the…
Read More “Study documents headaches experienced by astronauts in space” »
SpaceX’s next-generation Starship spacecraft atop its powerful Super Heavy rocket lifts off on its third launch from the company’s Boca Chica launchpad on an uncrewed test flight, near Brownsville, Texas, U.S. March 14, 2024. | Photo Credit: Reuters SpaceX’s Starship rocket, designed to eventually send astronauts to the moon and beyond, completed nearly an entire…
Read More “SpaceX Starship disintegrates after completing most of third test flight” »
India is estimated to have 10.13 crore people with diabetes, and another 13.6 crore people who are pre-diabetic, according to a nationwide study published in 2023. This apart, over 35% of Indians suffer from hypertension and nearly 40% from abdominal obesity, both of which are risk factors for diabetes. India accounts for 17% of all…
Read More “What is the HbA1C test and why is it used to check for diabetes? | Explained” »
Jawaharlal Nehru Centre for Advanced Scientific Research, Bengaluru. | Photo Credit: file photo Researchers from Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) have synthesized a novel and highly efficient photocatalyst that can convert carbon dioxide (CO2) to the high-value products ethene and ethylene, which are used as fuel gases. According to the Department of…
Read More “JNCASR researchers develop photocatalyst to convert carbon dioxide to ethylene” »
Daily Quiz | On Pi Day 1 / 7 | Let’s start with a simple one. Why is March 14 observed as Pi Day? Answer : Pi Day is observed on March 14 (the 3rd month) since 3, 1, and 4 are the first three significant figures of π. DID YOU KNOW THE ANSWER? YES…
