Notícias · Recifes

California faces highest shark numbers in years as great whites head north

El Niño climate phenomenon heating waters off Mexico but incidents with humans remain a rarityCalifornia is set to see one of its sharkiest summers in a decade, with large numbers of juvenile great whites already on a reverse vacation from the warm waters of Mexico to cooler past

Admin Recifes 15/07/2026 2

Model highlights patterns in how humans move across different locations

Every day, billions of people travel from their homes to work, schools, health care facilities, restaurants, public venues and other destinations. The complex patterns that shape how people move between these different locations are broadly referred to as "human mobility."

Admin Recifes 15/07/2026 2

What one sleepless night does to brain connections and why sleep may reset them

A night without sleep produced increased markers of connections between brain cells, showing that sleep in humans may be important for restoring cellular balance in the brain, according to a study published in PLOS Biology by David Elmenhorst from the Forschungszentrum Jülich Ins

Admin Recifes 15/07/2026 2

Hope for spinal injuries as pigs walk again after experimental gel treatment for severed s

In humans and other mammals, spinal cord injuries can be devastating, leading to permanent loss of movement, sensation and bladder control. When severed axons (the long fibers that carry messages between nerve cells) cannot regrow, a dense scar forms, preventing nerve signals fro

Admin Recifes 15/07/2026 2

New evidence of the transition from the last hunter-gatherers to early farming communities

Archaeological work conducted at the Coves del Fem (Ulldemolins, Priorat)—located within the Serra de Montsant Natural Park—between May 30 and June 28, 2026, has yielded important new evidence for understanding the prehistory of the northeastern Iberian Peninsula. The campaign wa

Admin Recifes 15/07/2026 2

Research on mate choice and gametes may bring new hope to the childless

So you have finally found the partner of your dreams—but no matter how hard you try, no children have come along. Could science offer new answers to mate choice and infertility? For several years, researchers at the University of Eastern Finland have been studying human reproduct

Admin Recifes 15/07/2026 2

Toward the responsible conduct of human fetal tissue research in Japan

Human fetal tissue research has contributed to advances in developmental biology, the study of congenital diseases, regenerative medicine and vaccine development. As it involves fetal tissue obtained following induced abortion, such research must be conducted with the utmost care

Admin Recifes 15/07/2026 2

Six-month results confirm feasibility and early success of first in-human combined bladder

The first-in-human fully vascularized bladder graft transplanted with a kidney has reached a promising six-month milestone, according to a new feasibility study published in The Lancet. The procedure, performed in May 2025, demonstrated technical feasibility and early functional

Admin Recifes 15/07/2026 2

Exposure to bright evening light linked to higher risk of age-related eye disease

Every sunrise and sunset sends the body a signal, keeping the circadian clock running on a roughly 24-hour cycle. This clock evolved so organisms could adapt to Earth's daily rotation, syncing their biology to the pattern of day and night. Artificial lighting has freed human soci

Admin Recifes 15/07/2026 2

Declining global acceptability of intimate partner violence tied to declining prevalence

A study of more than 60 countries shows those with faster declines in the social acceptability of intimate partner violence against women also tend to have had faster reductions in rates of such violence, as well as faster human development improvements. Irina Vartanova of the In

Admin Recifes 15/07/2026 2

Skin renews despite 60% to 70% fibroblast depletion in mice, challenging long-held assumpt

Human skin is constantly rebuilding itself. Every few weeks, the outermost layers shed and are replaced by new cells pushed up from the base. For decades, scientists believed this renewal depended heavily on fibroblasts, a class of supportive cells nestled in the deeper layer of

Admin Recifes 15/07/2026 2

UnitedHealth, Humana and CVS denied post-hospital care at some of the highest rates

The three largest Medicare Advantage insurers turned down requests for post-hospital care at some of the highest rates among major plans, a federal watchdog has found.

Admin Recifes 15/07/2026 2

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