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Medical Xpress / Neural pathways reveal a push-pull system for coordinating goal-directed behavior in mice

Most of the tasks that humans complete daily entail carefully coordinating movements and tracking progress made toward a desired goal. Past studies have highlighted the role of the basal ganglia (BG), a set of interconnected ...

19 hours ago
Phys.org / Nanopattern method unlocks precise control of disorder for wave-guiding devices

A research team has developed a methodology to precisely design and control the "degree of disorder" in nanopattern arrays using metal-infiltrated block copolymer (BCP) thin films. The work was led by Professor So Youn Kim ...

12 hours ago
Phys.org / The oldest evidence of mourning rituals reveals Paleolithic communities grieved like we do

Roughly 27,500 years ago, a 15-year-old boy was brutally mauled by a bear in Arene Candide in what is now Liguria, Italy. The attack tore through his jaw, neck and left shoulder. He was dying, but he was not alone in his ...

8 hours ago
Phys.org / NASA races to save Swift telescope from falling back to Earth with daring rescue mission

NASA is racing to save an aging telescope from falling back to Earth with a daring rescue mission.

17 hours ago
Medical Xpress / Hospital discharge sedatives linked to more falls, readmissions and deaths in older adults

Older adults discharged from hospital with a new prescription for a sedative, especially a benzodiazepine or antipsychotic, are at increased risk of falls and other negative consequences, according to new research published ...

4 hours ago
Medical Xpress / Scientists uncover how ovarian cancer resists chemotherapy—and how to reverse it

Michigan State University researchers have identified how ovarian cancer cells become resistant to chemotherapy and discovered a protein that, when blocked, can restore the drug's effectiveness.

14 hours ago
Phys.org / Ancient algal defenses against UV may have helped plants conquer land

A new study sheds light on how the ancestors of modern land plants survived one of the most challenging aspects of life outside water: exposure to harmful ultraviolet (UV) radiation. By examining a microscopic alga closely ...

15 hours ago
Medical Xpress / Bones communicate with the rest of the body to support overall health: Here's the science behind your skeleton

Each year, doctors treat more than 6 million bone fractures in the United States. And while it takes only a few seconds for a bone to break, the processes that keep your bones strong and allow them to heal take place continuously ...

8 hours ago
Medical Xpress / Lecanemab for Alzheimer's disease: Discussing risks and benefits is key

Canada recently approved lecanemab to treat early Alzheimer's disease, but the clinical benefits are modest, it carries a risk of serious adverse effects, and treatment is complex. An article in the Canadian Medical Association ...

4 hours ago
Medical Xpress / Breastfeeding may help babies sleep longer by age one, challenging formula feeding claims

The World Health Organization (WHO) recommends exclusive breastfeeding for the first six months of life because of its many proven benefits, including protection against infections and support for healthy long-term development. ...

16 hours ago
Tech Xplore / 'Impossible' low-loss, tunable dielectric achieved in microwave electronics

The result on his computer screen looked impossible. Late one night in 2009, Nate Orloff was alone in a laboratory, analyzing measurements from a set of experimental thin films sent to him by Darrell Schlom, the Tisch University ...

18 hours ago
Phys.org / Bird flu is deadly for backyard chickens—and even cats. A vet expert explains

The deadly H5N1 strain of bird flu has been found in seabirds in two Australian states.

10 hours ago