An old Egyptian skull reveals a lost crocodilian branch
Three-dimensional X-rays and comparisons with relatives gave a fossil described in 1927 a new place in the family tree.
Continue reading →The archive
nature
Floating eyes and a kite helped keep seabirds out of Cornish nets
Moving eye patterns and a predator-shaped kite reduced accidental catches in Cornish trials, while earlier tests show why success cannot be assumed elsewhere.
Continue reading →Butterfly stripes can send motion signals the wrong way
A wingbeat can emphasize movement opposite to the insect’s flight, helping explain why conspicuous butterflies can be difficult to track.
Continue reading →A cellular atlas traces auxin signaling during woodland strawberry fruit set
The study separates where a growth hormone is found, where cells respond and what one response gene contributes as fertilized surface fruits prompt the fleshy receptacle to grow.
Continue reading →The Mississippi changed the carbon ledger for farm lime
A century of river chemistry suggests crushed limestone ultimately reduced carbon dioxide emissions—but only against a carefully defined alternative history.
Continue reading →No fossil marks bats’ birthplace. Genomes point to Europe.
A family tree built from 103 bat genomes and 44 fossils places bats’ most likely origin in late-Palaeocene Europe—without pretending that anyone has excavated the ancestral bat.
Continue reading →How two tiny Salish Sea spiders became testable species
Microscope images, anatomy and DNA turned unfamiliar animals into repeatable identifications—while one lonely specimen keeps an important question open.
Continue reading →The Atacama’s flowers were waiting beneath the sand
A burst of July rain has brought flowers into view in northern Chile, revealing a desert ecosystem that survives long dry spells underground.
Continue reading →The tiny fruits on a strawberry help its flesh grow
Experiments link fertilized seeds to the growth of a strawberry’s fleshy base, while new maps show that its early response is uneven.
Continue reading →Giant-virus signals coincided with lower photosynthesis in 87 lakes
A European lake survey found a striking pattern at the base of the food web; a separate virus experiment helps show what the pattern can and cannot mean.
Continue reading →A greener Arctic can leave less room for small plants
Plant DNA preserved in nine lakes traces a shift toward woody vegetation, while modern surveys show why more greenery does not tell the whole story.
Continue reading →A Jurassic shell clump may preserve a predator’s rejected meal
Three patterns in rock cores offshore Norway show how a crowded cluster of shells can suggest feeding behavior without revealing which animal made it.
Continue reading →The bat behind turns first
Tracking ghost-faced bats in tandem flight reveals the timing of an overtake—and the limits of what a flight path can tell us about an animal’s intentions.
Continue reading →How a hot spring amoeba earned a 63°C growth record
Researchers measured growth across seven days and imaged dividing cells, separating a new heat record from movement and brief survival at even higher temperatures.
Continue reading →Two new stick insects, one restored species—and the clues that separated them
DNA, museum specimens, field records and a remarkable egg show why identifying a species takes converging evidence, not one dazzling clue.
Continue reading →Older urban blackbirds’ nests held more human-made strips
A study of dismantled nests found patterns linked to female age, laying date and breeding success—but an inventory cannot reveal a bird’s intentions.
Continue reading →A flatworm rebuilds neurons with both a type and an address
Gene knockdowns suggest that planarians use overlapping molecular instructions to make dopamine-producing neurons and place them in the correct nervous-system regions.
Continue reading →Inch-long sand hoppers move 38 kilograms of beach per metre overnight
Researchers weighed fresh burrow mounds, then used hopper biomass to model a much larger—but carefully bounded—single-day estimate.
Continue reading →How one giant cell launches—and brakes—a millisecond contraction
Three studies divide Spirostomum’s roughly half-length contraction into a calcium-linked signal, a modeled mechanical response and a proposed internal damping system.
Continue reading →On Okinawa, plastic has seeped into the pores of coral rubble
Lab instruments showed that bright specks on dead coral fragments were polyethylene and polypropylene embedded in the skeleton—not loose litter resting on it.
Continue reading →When does helping a young chimpanzee become a lesson?
Two remarkable encounters in Senegal show how scientists can identify teaching by its effects without pretending to know exactly what an animal intended.
Continue reading →The cat was never missing. Science’s name for it was.
A tiny Bolivian wild cat shows how one familiar-looking animal can conceal an ancient lineage—and why correcting the family tree matters.
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