Oct 15, 2026
A 93-nation study links national cat density to subjective well-being, but the cat parasite Toxoplasma gondii points the other way – and the authors warn against individual-level conclusions.
Oct 15, 2026
A new Science study of nearly 900 dogs points to ‘jumping genes’ losing their epigenetic control in larger breeds – the first molecular explanation for the dog-aging paradox.
Oct 13, 2026
Vitamin B12 keeps your nerves and blood healthy, yet only microbes can make it. Here is what it does, who runs low, and why it is back in the news.
Oct 12, 2026
Your bedroom temperature steers how fast you fall asleep and how deep you sleep: cool rooms around 18 to 20°C beat warm ones every night.
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