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Medical Xpress / Sleep replay of learned skills can occur independently of the hippocampus, mouse study finds

Sleep is a crucial physiological process that supports recovery, clears metabolic waste products from the brain, regulates metabolism and supports the functioning of the immune system. Sleep is also known to play a key role ...

Jul 30, 2026
Phys.org / New twist on the Einstein problem reveals unexpected physics

A shape that captured worldwide attention for solving a decades-old mathematical puzzle has returned to the spotlight. While the shape's properties allowed it to solve previous puzzles, little is known about its other associated ...

Jul 29, 2026
Science X / Curious people embrace richer experiences, but cognitive test scores tell a more complicated story

We often hear that a curious mind is a sharp mind, particularly as we age. According to scientists, persistent learners are often open to taking on new challenges and trying new activities. The idea is that engaging with ...

Jul 30, 2026
Medical Xpress / CRISPR acts as commander-in-chief for backup defenses in bacteria

The main function of CRISPR-Cas systems is to defend bacteria against various threats, including viruses called bacteriophages. Researchers have continued to study all varieties of CRISPR-Cas systems (to date, two classes, ...

Aug 1, 2026
Phys.org / DNA studies uncover a forgotten population at the top of the world

Scientists have uncovered an ancient population previously unknown to science in Ladakh, a high-altitude region in northern India. Their studies revealed individuals with a nearly perfect 50–50 mix of South Asian-related ...

Jul 28, 2026
Phys.org / California drought may have pushed parts of the Sacramento Valley aquifer toward permanent collapse

Around a quarter of the U.S. food supply is grown in California's Central Valley. Most of its crops, like rice, fruit trees and nut trees, are water-intensive and require extensive groundwater pumping during droughts. Over ...

Jul 28, 2026
Phys.org / Fluorescent probes offer sharper view of plant tissues

Researchers at the Indian Institute of Technology Gandhinagar (IITGN) and the Regional Centre for Biotechnology, Faridabad, have developed and tested a new class of fluorescent probes that enable scientists to visualize xylem, ...

Aug 1, 2026
Phys.org / Newly discovered mechanism protects DNA during cell division

Every time a cell divides, it must accurately copy and distribute its DNA between two new cells. However, in some cases, chromosomes do not fully separate, leaving behind thin strands of DNA known as DNA bridges that connect ...

Jul 31, 2026
Phys.org / Cretaceous beetle fossil reveals early evolution of firefly sensory and signaling systems

Scientists have discovered a remarkably well-preserved 100-million-year-old beetle fossil that provides a rare glimpse into the evolution of the intricate sensory and communication systems used by fireflies and their relatives ...

Jul 31, 2026
Phys.org / Laying odds on the potential for Martian water near future landing zones

We know Mars has water ice in its polar regions, but astronauts (and their solar-powered equipment!) would much rather experience life closer to Mars' equator. As NASA looks toward landing humans on the red planet, the Planetary ...

Jul 31, 2026
Medical Xpress / The first 72 hours: Hospital routines may undermine breastfeeding

An evidence review of international research suggests widespread misconceptions within the medical community about early milk production, pacifiers and breast pumps may be undermining breastfeeding success in the critical ...

Aug 1, 2026
Phys.org / 2D quantum memory device reaches single-electron limit of information storage

Most electronic memory storage devices require the ability to trap large numbers of electrons for each bit of memory. In an ideal world, however, it would take only one electron. This would reduce space requirements and power ...

Jul 29, 2026