science

A survey of 100 commercial foods for dogs and cats revealed that PFAS chemicals appear in numerous brands and types, with fish-based products among those with the highest levels Source link

We’ve been missing an important contributor to ageing, says columnist Graham Lawton. Ultra-processed foods are known to be associated with many chronic health problems, but studies have now shown they may also speed up ageing Source link

An exotic type of dark matter could explain some of the characteristics of our galaxy’s central supermassive black hole, but many cosmologists are leery of the idea Source link

Symbiotic bacteria living inside insect cells have lost much of their DNA over hundreds of millions of years, much like the ancient microbes that evolved into mitochondria Source link

An assessment of nearly 900 dogs has identified 12 breeds prone to brachycephalic obstructive airway syndrome, which can affect dogs’ ability to sleep and exercise Source link

Babies in the West commonly lack a gut microbe that is found in infants in other parts of the world, which may be due to differences in their mothers’ diets Source link

An ultrastable laser could enable extremely precise timing and navigation on the moon, and the cold, dark craters near the lunar poles would be the ideal location for it Source link

A giant virus encodes part of the protein-making toolkit of cells that gives it greater control over its amoeba host, raising questions about how it evolved and how such beings relate to living organisms Source link

Intermittent fasting appears to be no better than doing nothing when it comes to helping people who are overweight or have obesity lose weight Source link

Five dietary patterns that involve eating lots of plants have been linked with living up to three years longer, even among people who are genetically predisposed to have a shorter life Source link