SCROLL NEWS / DISCOVERY
Search headlines
Find the stories shaping the conversation.
Results for " Embryos " 20 found 🔀 AI-powered Shuffle
Scientists Stunned: Colossal Eggs Discovered 3,500 Meters Beneath an Active Volcano
Beneath an active seafloor volcano off Vancouver Island, researchers have documented a congregation of giant eggs at roughly 3,500 meters, a discovery that reframes how life can flourish under extreme conditions. The eggs belong to the Pacific white skate, an elusive deep‑sea species adapted to cold, crushing pressure and perpetual darkness. What seemed an unlikely nursery is actually a geothermally warmed refuge, where subtle heat helps embryos survive a marathon incubation. The finding links volcanic energy to a quiet engine of biodiversity, turning a hostile landscape into an incubator. A living volcano, a hidden nursery The seamount long assumed dormant now exhales mineral‑rich, shimmering plumes, proof of hydrothermal life at depth. Expedition cameras swept across black basalt and pale bacterial mats, revealing vents that pulse with warmth. That warmth, though modest by human standards, alters the physics of development for cold‑adapted embryos. In a realm where metabolism creeps, even a few degrees can mean faster growth and higher survival. The volcano is not only active; it is ecologically formative, drafting a blueprint for a thriving oasis. Giant eggs and a skate built for the abyss The Pacific white skate, Bathyraja spinosissima, is built for the abyss: broad wings, armored spines, and a life history that trades speed for endurance. Females lay outsized, rectangular “mermaid’s purses,” often 46–50 centimeters long, packed with rich yolk to fuel years of growth. In the frigid deep, embryos can require around four years to hatch, a timeline that magnifies every energetic advantage. The scale is striking—large eggs, large adults, and a textbook case of deep‑sea gigantism. The volcano’s gentle heat may literally shave months or years from the wait. Why heat matters at the bottom of the sea Hydrothermal circulation delivers low‑level warmth without the turbulence that would scatter fragile egg‑cases. Slightly elevated temperatures accelerate enzyme kinetics, nudging development along while keeping embryos within a safe range. Mineral‑laden fluids likely shape local microbiomes, which, in turn, can influence biofilms on egg surfaces. The environment acts like a slow, steady incubator, countering the deep sea’s tyrannies of cold and scarcity. For a species with long maturation and few offspring, every incremental boost compounds across generations. An ecosystem sculpted by fire and water Seafloor volcanoes create steep environmental gradients, stitching together hot vents, cool eddies, and mineral gardens into mosaic habitats. Microbes harvest chemical energy, seeding food webs that support crustaceans, fishes, and skates. Cameras documented egg‑cases nestled among rocky ledges, near communities nourished by vent‑driven chemistry. These islands of productivity behave like deep‑sea oases, sustaining life far beyond the vent orifice’s flickering light. The nursery’s success underscores how geological forces engineer biological opportunity. “Finding a cradle of life tucked beneath a breathing volcano reminds us that the planet’s harshest places can be profoundly generous.” What the discovery could change The nursery reframes conservation priorities in regions where volcanism quietly underwrites reproduction. Protecting hydrothermal corridors could safeguard entire lifecycles, not just charismatic adults spotted during occasional surveys. It also sharpens questions about how climate‑driven shifts in ocean circulation might influence vent activity, temperature fields, and embryo survival. With methodical mapping, time‑series cameras, and environmental DNA, scientists can track whether nurseries remain stable or drift with geologic rhythms. Key implications include: Enhanced understanding of deep‑sea reproduction at hydrothermal sites. New conservation targets centered on geothermal nurseries. Comparative studies with other volcanic regions, from the Galápagos to rift zones. Biotechnological insights from organisms adapted to long, cold development. Better models of how seafloor heat shapes regional biodiversity. Methods behind the revelation Remotely operated vehicles threaded through chimney fields, gathering video, temperatures, and mineral signatures. High‑definition imagery captured the distinctive, horned egg cases, their edges dusted with fine volcanic silt. Geochemical profiles mapped how heat and chemicals disperse, outlining the “thermal lanes” where eggs most cluster. Combined, these datasets reveal a nursery organized by geothermal topography, with egg‑cases concentrated in pockets of gentle, sustained warmth. A fragile boon in a changing ocean Deep‑sea environments feel remote, yet they intersect with global pressures: mining proposals, cable routes, and shifting oxygen levels. The nursery’s resilience hinges on stable heat flow, intact substrates, and minimal disturbance from noise or sediment. Safeguarding such places is not just about protecting novelty; it preserves a slow, ancient strategy that lets large, long‑lived animals endure in the coldest reaches of the Pacific. Where geology and biology meet, the planet’s deep time still writes living stories. This volcano‑warmed nursery adds a vital chapter to that story, revealing how subtle thermal gifts can tip the scales toward life in the abyss. With each dive, researchers trace the contours of an unseen world, where fire feeds water, and water—against all odds—feeds the future.
Sci-Fi or Science? Paterna Bio Claims Lab-Grown Sperm and Embryos are a Reality
Is the future of fatherhood found in a petri dish? Startup Paterna Bio claims to have grown human sperm in a lab from scratch, even using it to create early-stage embryos. While it offers hope for infertility, critics warn of a "dangerous notion" that messes with Mother Nature.
Inside 530-million-year-old embryos, scientists uncover rare time-lapse of early animal growth
Think of a small fossil as the equivalent of a homemade video of prehistoric life. Fossils formed when sea organisms began their great proliferation more than half a billion years ago rarely contained ...
Florida’s leading coral experts unite in historic effort to restore Florida’s Coral Reef
Backed by a NOAA-funded initiative, 12 organizations joined forces during the annual coral spawning event to produce more than 1.5 million embryos and help preserve genetic diversity for the future of Florida’s Coral Reef.
Textbooks challenged by new discovery about how cells divide
Scientists have uncovered a surprising new way that giant embryonic cells divide—without relying on the classic “purse-string” ring long thought essential for splitting a cell in two. Studying zebrafish embryos, researchers found that instead of forming a fully closed contractile ring, cells use a clever “mechanical ratchet” system.
The Embryos That Don't Come From Eggs and Sperm
Human embryo models can provide a powerful window into the earliest stages of life. But how far should they go?
UK IVF couples use legal loophole to rank embryos based on potential IQ, height and health
British fertility clinics raise scientific and ethical objections over patients sending embryos’ genetic data abroad for analysis
Colorado justices to hear embryonic donation dispute
The Colorado Supreme Court announced on Monday that it will decide whether lower court judges properly applied its framework for adjudicating disputes over the fate of pre-embryos, in which one person wants to use them to become a parent and the other wishes to donate them. At least three of the court’s seven members must […]
Should We Use Science to Edit Human Life? Watch the Debate
Gene editing of human embryos could prevent serious genetic disease and improve quality of life in unprecedented ways. But it also raises major ethical concerns.
'Some of them have accuracy that's close to zero': Experts unpack the promise and pitfalls of genetic tests aimed at consumers
Live Science spoke with a bioethicist and sociologist about emerging genomic technologies, including those that enable parents to "score" and "select" IVF embryos.
Biologists discover why snake embryos always coil to the right
A 'pillar of gut' is the key.
A Newer Approach to Editing Embryos Ignites Debate
Fertility specialists, biotech companies and ethicists are divided over whether progress in early gene editing would wipe out diseases or trigger a rush toward enhancement.
Scientists discover why snake embryos twist into spirals
Snake embryos begin life curled into a distinctive right-handed spiral, and scientists may finally know why. Their bodies grow faster than their guts, creating a tether that forces the lengthening embryo to buckle and twist inside the egg. Researchers reached the conclusion after studying more than 900 embryos and using CT scans to reveal the hidden anatomy behind the coils.
These companies help parents try to pick their babies' traits. Experts are wary
Prospective parents can now pick embryos based on risk predictions for thousands of diseases and odds for specific traits. But should they?
Scientists Concerned Latest Gene Editing of Human Embryos Could “Open the Floodgates”
It's a "gateway to embryo editing to do enhancements."
Scientists create replica human womb lining and implant early-stage embryos
Studying chemical chatter as tiny balls of cells embed could shine a light on early pregnancy and glitches that lead to miscarriage
Scientists Unethically Experiment On the Unborn to Improve Gene Editing Techniques, Bioethicist Says
Genetic researchers are experimenting on unborn children in trials that could have been done on animal embryos, according to one bioethicist.
Making gene-edited babies is illegal. This startup says it may be time to reconsider
Origin Genomics aims to prove the potential benefits of its technology for editing disease-causing genes in human embryos outweigh the risks.
Paxton’s support for IVF highlights broader divide among GOP
Anti-abortion activists believe life begins at conception, so many oppose IVF because it often destroys some embryos.
In a First, Scientists Precisely Edit Human Embryo Genes
Researchers relied on a newer gene-editing technique that may make it possible to engineer embryos, a prospect that has long alarmed bioethicists.