Top science news: “New dietary guidelines flip the food pyramid.”
Views expressed in this science and technology update are those of the reporters and correspondents.
Accessed on 13 January 2026, 1536 UTC.
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Russ Roberts (https://hawaiisciencejournal.com).
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The new guidelines emphasizes eating protein and full-fat dairy while reducing sugar, carbs and ultraprocessed foods.
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A study on rabbits dosed with viper venom suggests that botulinum toxin may alleviate some effects of snakebite, possibly by dampening inflammation.
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The federal move to no longer recommend certain vaccines for all U.S. children is not supported by new evidence and could undermine health gains.
Yesterday
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The density of fine hairs on bumblebees’ tongues determines how much nectar they can collect — and workers put queen bees to shame.
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Black-bulb yam’s mimicry tricks birds into spreading its berrylike clones. The plant’s novel strategy helps it spread without seeds or sexual reproduction.
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In humans, teens do the most dangerous things. In chimpanzees, that honor goes to toddlers. The difference may lie in caregiver supervision.
Jan 9, 2026
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The elm zigzag sawfly has spread to 15 states in five years. Now it’s attacking the tree that cities planted to replace Dutch elm disease victims.
Among the first finds from the Vera C. Rubin Observatory, the discovery hints at a population of exceptionally strong asteroids.
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The blast may have been a kilonova — a type of neutron star merger — in the wake of a more traditional supernova.
Jan 8, 2026
Trees are known for absorbing CO2. But microbes in their bark also absorb other climate-active gases, methane, hydrogen, and carbon monoxide.
The subatomic particles are incredibly numerous. About 1,000 neutrinos from stars other than the sun pass through a thumbnail every second.
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A new study finds that the brain spends less energy processing scenes that people find aesthetically pleasing.
Jan 7, 2026
A new analysis uncovers traces of poison on the South African arrowheads, pushing back the timeline for poisoned weapons by more than 50,000 years.
The wake left by Betelgeuse’s companion could solve a decades-old mystery of its strange brightness cycles.
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The discovery of thousands more galaxies with stars ringing their main disks could help astronomers study galactic evolution more generally.
Jan 6, 2026
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Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.
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Results show that players’ choices echo predator-prey patterns seen in wildlife, though scientists stress the limits of the analogy.
Jan 5, 2026
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NASA’s Parker Solar Probe has mapped the shifting boundary between the sun and the rest of the solar system.
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When infected by a fungal disease, ant pupae actively emit a chemical cue that prompts workers to get rid of them for the good of the colony.
Jan 2, 2026
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Amidst a tough year for science, glimmers of joy burst through in revelations from the silly to the sublime.
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Western cultural stories tend to emphasize perseverance. But science shows that knowing when to quit has a place in our success too.
Dec 31, 2025
Longest lightning, the first AI-generated genomes and biggest black hole smashup were among this year’s top science superlatives.
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New footage shows orcas and dolphins coordinating hunts, hinting at interspecies teamwork to track and catch salmon off British Columbia.
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