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ScienceBlog.com
scienceblog.com > s-136-long-clawed-shrew-skulls-from-hokkaido-showed-the-classic-winter-flattening-of-the-braincase-and-across-the-same-series-the-snout-enlarged-in-winter-and-shrank-again-in-spring

136 long-clawed shrew skulls from Hokkaido showed the classic winter flattening of the braincase, and across the same series the snout enlarged in winter and shrank again in spring

1+ day, 13+ min ago   (595+ words) A museum series of Sorex unguiculatus from Tomakomai confirms Dehnel's winter braincase shrink in an Asian shrew, and adds a reverse pattern in the snout that the authors did not find in the jaw. By Natural History · Edited by Chris…...

ScienceBlog.com
scienceblog.com > g-partner-presence-stress-physiology

In a randomized experiment with 67 women, ten minutes of physical contact from a partner lowered cortisol and heart rate responses to a laboratory stressor while verbal support alone did not; the handholding brain study usually cited for this used 16 people

2+ day, 11+ hour ago   (856+ words) The evidence is real and more specific than the phrase. Touch lowered two measured stress responses where conversation did not, and when the handholding study was repeated with 110 people, being married rather than friends made no measurable difference. By Mind…...

ScienceBlog.com
scienceblog.com > d-researchers-invited-11-people-to-cuddle-two-holstein-steers-at-a-new-york-sanctuary-and-the-animals-developed-a-striking-preference-they-were-far-more-engaged-with-the-women-than-the-men

Researchers invited 11 people to cuddle two Holstein steers at a New York sanctuary, and the animals developed a striking preference — they were far more engaged with the women than the men

4+ day, 23+ hour ago   (455+ words) A surprising finding from a cuddling study challenges assumptions about which humans animals instinctively trust. Published September 8, 2026 · How we edit Magnus is the extrovert. Callum needs a minute. Both are Holstein steers weighing roughly as much as a small hatchback,…...

ScienceBlog.com
scienceblog.com > d-humpback-whales-can-sing-for-up-to-16-hours-without-stopping-and-scientists-have-found-their-songs-are-synchronized-with-every-dive-different-themes-line-up-with-the-descent-the-deep-water

Humpback whales can sing for up to 16 hours without stopping, and scientists have found their songs are synchronized with every dive — different themes line up with the descent, the deep-water phase and the climb back to the surface

5+ day, 58+ min ago   (483+ words) Sixteen hours of nonstop singing would wreck a human throat, a human diaphragm and probably a human marriage. Published September 8, 2026 · How we edit Sixteen hours of nonstop singing would wreck a human throat, a human diaphragm and probably a human…...

ScienceBlog.com
scienceblog.com > j-blue-carpenter-bee-xylocopa-caerulea-bee-bread

There is no queen and no hive behind Xylocopa caerulea: each female excavates her own wood tunnel, packs it with bee bread of pollen and nectar, lays an egg on the store and seals the cell before starting the next

6+ day, 23+ hour ago   (343+ words) A blue carpenter bee working a tropical garden looks like a scrap of sky that got loose, and the temptation is to imagine a hive somewhere behind her — a colony, a queen, a comb. By Lab Report · Edited by Justin…...

ScienceBlog.com
scienceblog.com > t-unknown-human-lineage-africa-dna-modern-populations

An unknown human lineage interbred with our ancestors in Africa more than 50,000 years ago — and although scientists still don't know who these humans were, traces of their DNA survive in every modern population studied.

1+ week, 4+ day ago   (1147+ words) A new genomic method detected roughly 0.49% to 1.1% ancestry from an unidentified human population across five sampled groups. The signal points to mixing in Africa before the main out-of-Africa expansion, but it has not been matched to a fossil species. By…...

ScienceBlog.com
scienceblog.com > t-ancient-europeans-rare-insect-eating-chitinase-genetics

Western disgust at eating insects may have roots deeper than culture — dental plaque from 745 ancient humans found Europeans rarely ate them, while genetic evidence shows reduced ability to digest their exoskeletons persisted for at least 9,000 years.

1+ week, 6+ day ago   (1222+ words) Sparse insect DNA in ancient northern Eurasian dental calculus and 9,000-year-old chitinase patterns point to a deep ecological history without identifying a gene for disgust. By Lab Report · Edited by Lachlan Brown Published August 30, 2026 · How we edit Disgust can feel…...

ScienceBlog.com
scienceblog.com > d-scientists-once-thought-zebra-stripes-might-help-confuse-predators-but-when-researchers-dressed-horses-in-zebra-striped-coats-biting-flies-repeatedly-failed-to-land-adding-to-evidence-that

Scientists once thought zebra stripes might help confuse predators, but when researchers dressed horses in zebra-striped coats, biting flies repeatedly failed to land — adding to evidence that the famous pattern evolved to thwart insects, not lions

1+ week, 6+ day ago   (517+ words) A simple visual trick—stripes that repel insects—may explain why evolution favored one of nature's most iconic patterns over millions of years. Published August 30, 2026 · How we edit The horses in a North Somerset paddock were dressed as zebras, and…...

ScienceBlog.com
scienceblog.com > t-emotional-tears-infant-distress-signal-adult-care

Emotional tears may have evolved not merely to express sadness, but to change the behaviour of the people around us — a distress signal originating in infancy that humans carried into adult social life to recruit attention, care and protection.

2+ week, 9+ hour ago   (1418+ words) A new evolutionary account treats adult emotional tears as an infant-derived distress signal, while experiments show support effects that are real but strongly context-dependent. By Mind & Matter · Edited by Lachlan Brown Published August 30, 2026 · How we edit A line of moisture…...

ScienceBlog.com
scienceblog.com > s-why-34-of-38-crickets-in-a-dark-glass-tube-walked-away-from-a-synthetic-copy-of-one-terpene-found-in-a-bats-snout-secretions-and-why-the-researchers-still-cannot-say-how-a-cricket-tells-a-bat-from

Why 34 of 38 crickets in a dark glass tube walked away from a synthetic copy of one terpene found in a bat's snout secretions, and why the researchers still cannot say how a cricket tells a bat from a leaf

2+ week, 1+ day ago   (853+ words) In a Y-shaped glass tube run in complete darkness, 44 of 47 wild-caught crickets chose the arm carrying clean air over the arm carrying bat scent, and a purchased standard of a single compound the team had found in the bat's snout…...