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Phys.org / Simple cell migration mechanism may explain how hair follicles organize before birth

In mammals, hair follicles emerge during embryonic development, forming geometric patterns that vary from one species to another. But how is the position of each hair determined? A team from the University of Geneva (UNIGE) ...

9 hours ago
Phys.org / South Pole Telescope analysis releases new catalog of more than 7,000 galaxy clusters

Researchers working with data from the South Pole Telescope have released a major catalog of galaxy clusters, giving scientists a powerful new tool for studying how the universe grew and changed over billions of years. The ...

11 hours ago
Medical Xpress / Key gut protein balances immune protection and tolerance

A protein produced by gut immune cells orchestrates both immune protection against pathogens and immune tolerance of gut bacteria, according to a study led by Weill Cornell Medicine investigators. The discovery illuminates ...

9 hours ago
Phys.org / Satellite record reveals US tidal wetland productivity rose 6% in 20 years

Carbon sequestration, climate regulation, biodiversity support and shoreline protection: These are all benefits provided by tidal wetlands. As the climate changes, the amount of carbon captured by these vital ecosystems may ...

4 hours ago
Medical Xpress / Electric fields could organize neural activity trial by trial during memory tasks

It's a fact of life that the electrical activity of neurons will vary during the same task, even when the ultimate outcome is the same. A new study shows that a lot of ongoing fluctuations in the brain's activity can be explained ...

4 hours ago
Tech Xplore / New spray-jet method recycles rare iridium from proton exchange membrane devices and preserves membranes

The future hydrogen economy may hinge on iridium, a metal so rare that only about 8 tonnes are produced worldwide each year. To help stretch the limited supply, University of Delaware researchers have developed a recycling ...

8 hours ago
Phys.org / Why Europe's trees are dying

In Europe, trees are increasingly dying prematurely. A new study by the Swiss Federal Institute for Forest, Snow and Landscape Research (WSL) on French forests now shows that it is not only drought but also unusually warm ...

11 hours ago
Phys.org / Teenagers understand social media algorithms but want more control, study finds

Teenagers want a greater voice in the design and governance of platforms such as TikTok, Instagram and YouTube, according to new research led by University College Dublin. Rather than passive victims of social media algorithms, ...

5 hours ago
Phys.org / Inferring multicellular interactions in tumors from standard pathology slides

Understanding how cells within and around a tumor interact provides key information about a cancer's architecture, a patient's immune response to the disease and even how susceptible the cancer may be to various types of ...

10 hours ago
Medical Xpress / A rare, Ebola-like virus is spreading. Are we prepared?

A growing outbreak of the rare Bundibugyo virus in the Democratic Republic of Congo highlights the need for better planning against lesser-known but potentially deadly infectious diseases, according to a review article by ...

12 hours ago
Medical Xpress / Sitting for long stretches linked to a higher risk of death from cancer

Sitting for more than 30 minutes at a time is linked to a higher risk of dying from cancer, while breaking up long sitting spells with light activity appeared to lower that risk, according to new data. But media reports on ...

5 hours ago
Medical Xpress / What death doulas can teach us about dying well without religion

In most Western societies, death has always been the church's job. Nearly everyone wanted last rites, deathbed prayers and a faith leader at their bedside. But for a growing number of people, that template for dying is no ...

3 hours ago