Articles by R Siva Kumar

High-intensity exercise can boost memory of elders by 30%, says study

Scientists have found that high-intensity workouts can enhance memory in older adults.

Nov 4, 2019

This 3-drug combo can improve lungs affected by cystic fibrosis

Patients of cystic fibrosis (CF), who have a single copy of the most common genetic mutation for the disease, can get some relief from a three-drug combination.

Nov 4, 2019

Measles behind 'immune amnesia' as it knocks out body's immune memory, says study

Vaccinations to prevent measles can help you to prevent 'immune amnesia' or the wiping out of a protective immunity shield in the body.

Nov 4, 2019

New antibody can protect you from wide-ranging flu strains, scientists reveal

Scientists have found a new antibody that can be used in a universal flu vaccine and leveraged for more effective emergency treatments

Nov 2, 2019

Fossils of ancient cousins of today's rhinos found in the Yukon

With modern tools, paleontologists traced the origins of a few fragments of teeth found 40 years ago by a schoolteacher in the Yukon.

Nov 2, 2019

Studying a primate embryo tells us a lot about human development, scientists reveal

Through a technique to enable primate embryos to grow in the laboratory, the researchers got molecular details of key developmental processes.

Nov 2, 2019

This quadriplegic can drive a wheelchair just using his tongue!

In a recent clinical trial, scientists confirmed that assistive technology can enable individuals with high-level spinal cord injuries to maneuver a powered wheelchair or control a mouse cursor - with just some simple tongue movements.

Nov 1, 2019

Study examines how your brain changes if you go on a long space flight

After spaceflight, cognitive performance of NASA astronauts is in sync with changes in brain structure, shows a study

Nov 1, 2019

Mice bred in space can still father healthy babies on earth, finds study

Male mice that were raised in outer space in special cages got back to earth and were found by scientists to have their sperm production or fertilizing ability remaining normal.

Nov 1, 2019

Teenagers describe chaos, say bags were not checked at Manchester concert

Teens can 'chill', as study reveals social media does not make you anxious or depressed

An eight-year study indicates that the amount of time spent on social media or screen time does not automatically increase anxiety or depression among teenagers

Oct 30, 2019

Depression

Why do people yawn when they see others doing it? Read to know more

Research shows that the human urge to yawn gets triggered off by the sight of others yawning and by primitive reflexes in the primary motor cortex.

Oct 30, 2019

These drone cameras can separate living from the dead to rescue in disasters

In the world's first study, scientists used drone cameras located remotely, to separate signs of life from the dead.

Oct 30, 2019

Dolphins control their swimming speed in sync with 'initiator' as benign followers

Scientists found that dolphins cooperated to sync on shared tasks. An 'initiator' and 'follower' in any experiment with dolphins would coordinate their swimming speed to match the other's behaviour.

Oct 29, 2019

A 370-million-year-old tetrapod may be the missing link of evolutionary puzzle before scientists

A needle-toothed tetrapod that existed more than 370 million years ago seems to be an important link in evolution with unique crocodile-like skull, high positioned eyes

Oct 29, 2019

Unlike tadpole, you can never regrow your hand or tail; Why?

If a newly identified gene that leads to the regrowth of an amputated tail in a tadpole is cut off, it can stop its regeneration, said scientists. They also concluded that warm-blooded animals must have lost this ability due to loss of such a gene called c-Answer.

Oct 28, 2019

Plants diversified from a common ancestor, reveals genetic data of 1,147 species

As there are more than 500,000 plant species today, scientists are exploring how there was a leap in biodiversity from a common ancestor. Through a unique project on plant evolution, scientists used genetic data from 1,147 species to create a comprehensive evolutionary tree for green plants.

Oct 28, 2019

Did Neanderthals walk over the Mediterranean centuries earlier than we thought?

Scientists from McMaster University have found some proof in Greece of the island of Naxos being occupied by Neanderthals and earlier humans at least 200,000 years ago - tens of thousands of years earlier than previously believed.

Oct 25, 2019

Fantastic grandmas snorkel to explore lethal sea snakes

A novel citizen science project by seven grandmothers in New Caledonia reveals that there are a huge number of venomous reptiles in a popular swimming spot at Baie des citrons.

Oct 25, 2019

Light pulses beamed inside brain can activate deep-rooted nerve cells, finds study providing new hope to treat epilepsy

Due to an extra-sensitive molecule inside monkeys' brains, deep-rooted nerve cells react to dim light.

Oct 25, 2019

Martian salt lakes were once like our Earth's own; How did they disappear?

Just 3.5 billion years ago, there were salt lakes on Mars much like the ones on Earth, with alternating periods of wet and dry periods.

Oct 24, 2019

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