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The various species of whales inhabiting Earth’s oceans employ different types of vocalisations to communicate. Sperm whales, the largest of the toothed whales, communicate using bursts of clicking noises — called codas — sounding a bit like Morse code. A new analysis of years of vocalisations by sperm whales in the eastern Caribbean has found…
Read More “Scientists document remarkable sperm whale ‘phonetic alphabet’” »
A representational photo of a nurse administering Oral Rehydration Solution (ORS) solution to a child. | Photo Credit: M. Govarthan Misperceptions of healthcare providers has been identified as one of the major reasons why Oral Rehydration Solution (ORS), which could be a live-saving treatment in diarrhoea cases, is not being prescribed in India for children…
The mercury is soaring across India, with many places reporting unusually high temperature readings. It may not be possible to link each heat event to climate change, but we know climate change is bringing such anomalies to more areas, and with greater intensity. We also know climate change is disproportionately affecting society’s most vulnerable members,…
Read More “The unseen effects of climate change on mental health” »
Heatstroke is an important condition to know about that can happen when your body overheats and can’t cool down. What is heatstroke Heatstroke occurs when the body overheats to an extreme level, leading to a malfunction in its cooling system. Unlike heat exhaustion, which is less severe and typically involves heavy sweating and feeling faint,…
A scientist looks at hypometabolic and hypoperfusion patterns at the single-subject level from a patient suffering from Alzheimer’s disease at the Memory Centre at the Department of Readaptation and Geriatrics of the University Hospital (HUG), in Geneva, Switzerland, June 6, 2023. | Photo Credit: Reuters People who carry two copies of the APOE4 gene are…
Read More “People with two copies of a risk gene have genetic form of Alzheimer’s, scientists say” »
The story so far: In September 2025, NASA’s four-member Artemis crew is scheduled fly around the moon in preparation for the space agency’s mission to land on the moon again. To boost such scientific missions, the White House Office of Science and Technology Policy (OSTP) on April 2, directed its space agency, the National Aeronautics…
Read More “Why is NASA allotting a standard time for the moon?” »
Representative Fna C1 and Fna C2 strains co-cultured with human colon cancer cells. The grid shows the results of computational analysis of confocal imaging. Independent masks for cancer epithelial cells (grey), and intracellular bacterial cells (Fna C1 green, Fna C2 lavender) were generated. The masks were used to calculate the percent of cancer cells with…
Read More “A mouth bacteria has starring role in colorectal cancer, study finds” »
The story so far: For those trying to look inside the human body without surgery, magnetic resonance imaging is an indispensable tool. The underlying techniques were worked out in the early 1970s; later the same decade, Paul Lauterbur and Peter Mansfield refined them to pave the way for their commercial use. For these efforts, they…
Read More “What is magnetic resonance imaging? | Explained” »
Salil Gupte, President, Boeing India and South Asia, with Meghraj M., Sathvik Poojary and Sanjana S. who won the Boeing National Aeromodelling Competition 2024. The team is from Nitte Mahalinga Adyanthaya Memorial (NMAM) Institute of Technology, Karkala in Udupi district of Karnataka. | Photo Credit: Special Arrangement A team from Nitte Mahalinga Adyanthaya Memorial (NMAM)…
Read More “NMAMIT team wins Boeing National Aeromodelling Competition in India” »
“All animals are equal, but some are more equal than others” — this line from George Orwell’s 1945 classic ‘Animal Farm’ perfectly describes how bias operates in human societies. In a study published in May last year, psychologists explored how people subconsciously evaluate different racial groups. They screened responses from more than 60,000 participants belonging…
Read More “Where does ‘us versus them’ bias in the brain come from?” »