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Just as the meter once the length of a bar of platinum-iridium, also kept in Paris is now defined by the constant speed of light in a vacuum, so a kilogram will be defined by a tiny but immutable fundamental value called the Planck constant . (Representative Image: Pixabay)

Scientists to swap dusty old kilogram for something more stable

The kilogram has been defined since 1889 by a shiny piece of platinum-iridium held in Paris.

13 Nov 2018 8:23 AM IST

The asteroid that wiped out the dinosaurs 66 million years ago released climate-altering sulphur, cooling the Earth far more than thought. (Photo: Pixabay)

Chinese 'rainbow dinosaur' had iridescent feathers like hummingbirds

A evolutionary biologist says that the discovery suggests a more colourful Jurassic World than we previously imagined.

22 Jan 2018 9:13 AM IST

Kepler K2-138 System Artists Concept ( Credits: NASA/JPL-Caltech)

Multi-planet System found through crowdsourcing

Citizen Scientists Discover Five-Planet System.

12 Jan 2018 4:35 PM IST

the soft devices can perform a variety of tasks, including grasping delicate objects such as a raspberry and a raw egg, as well as lifting heavy objects. (Image source: University of Colorado)

Biological muscles may possibly be mimicked by self-healing robots

A soft robot has been developed, which imitates a human muscle and performs tasks, as well as lift heavy loads.

6 Jan 2018 9:51 AM IST

And it is not because they are better students. (Photo: Pixabay)

Why boys perform better on some science tests explained

An MRI revealed an accumulation of cerebral spinal fluid in the brain, a condition known as hydrocephalus.

1 Jan 2018 10:40 AM IST

The image provided by Joao Zilhao in February 2018 shows perforated shells found in sediments in the Cueva de los Aviones near Cartagena, Spain. The artifacts date to between 115,000 and 120,000 years ago.

European art scene began with Neanderthals

New discoveries in some Spanish caves give the strongest evidence yet that Neanderthals created art.

25 Feb 2018 12:12 PM IST

Regular brain training and lifelong learning create positive emotions and can slow down mental deterioration in old age. (Photo: Pixabay)

Touchscreen games may help older dogs stay mentally fit

The fact is, however, that lifelong learning with the touchscreen can help counteract this development.

8 Feb 2018 4:52 PM IST

There are no good treatments available for women suffering from low sexual desire. (Photo: Pixabay)

Here are reasons why having sex is good

It turns out that sex helps in everything, from burning calories to boosting the immune system and even fighting the...

7 Feb 2018 3:07 PM IST

Basic needs are met to a significantly higher degree during outdoor instruction than in the classroom. (Photo: Pixabay)

Outdoor classes make students more open to learning: study

A sense of achievement particularly increases motivation during outdoor instruction.

7 Feb 2018 1:44 PM IST

Playing with Legos as well as certain video games can help children develop spatial skills critical to success in fields like science and engineering,

Legos, video games may boost science, math skills in kids

Students tackled multiple-choice questions that required them to mentally rotate obscure shapes.

6 Feb 2018 2:22 PM IST

Scientists find massive Mayan society under Guatemala jungle

Scientists find massive Mayan society under Guatemala jungle

The study estimates that roughly 10 million people may have lived within the Maya Lowlands.

3 Feb 2018 1:48 PM IST

This image provided by the Sharma Centre for Heritage Education, India in January 2018 shows a sample of artifacts from the Middle Palaeolithic era found at the Attirampakkam archaeological site in southern India. The discovery of stone tools at the site shows a style that has been associated elsewhere with our species. They were fashioned from 385,000 years ago to 172,000 years ago, showing evidence of continuity and development over that time. (Photo: AP)

Stone tools in India suggest earlier human exit from Africa

Homo sapiens arose in Africa at least 3,00,000 years ago and left to colonise the globe.

1 Feb 2018 8:05 PM IST