There Are ‘Secret’ Tunnels Connecting Your Skull And The Brain

Did you know you have tiny tunnels in your head? That’s OK, no one else did either until recently! But that’s exactly what a team of medical researchers confirmed in mice and humans in 2018 – tiny channels that connect skull bone marrow to the lining of the brain.   The research shows they may … Read more

Kidney transplants: Electric field keeps cells powered up while organs are on ice

Organs soon run out of energy while they are between donor and recipient, but an electric field could keep them running and improve survival Health 9 March 2022 By Clare Wilson Microscope images showing tissue damage in human donor kidneys without electrical treatment (top left and right) and less damage with treatment (bottom left and … Read more

New class of killer T cells may prevent autoimmune diseases | Science

The price for a vigilant immune system that can pounce on tumor cells or pathogens is occasional friendly fire—an autoimmune attack. Scientists have now identified a new type of human T cell that quells assaults on healthy tissues, a finding that could suggest treatments for conditions as diverse as lupus and cancer. “It’s a major … Read more

Cellular ‘Rejuvenation’ Experiment in Mice Reverses Signs of Aging, Scientists Say

With age comes experience. And with experience come sore backs, tired bones, and increased risks from a large number of diseases. Scientists have long been trying figure out how to stop these aches and pains in our twilight years, and to make us live longer and healthier lives at the same time.   While it’s … Read more

Brain cells: Special neurons may signal when to start new memories

Recordings from electrodes in people’s brains reveal that certain neurons in the hippocampus show a burst of activity to mark the boundary between different events Mind 7 March 2022 , updated 7 March 2022 By Clare Wilson Illustration of neurons in the hippocampus KATERYNA KON/SCIENCE PHOTO LIBRARY A newly discovered kind of brain cell involved … Read more

Neuroscientists Find Two Types of Brain Cells That Help Us Make Memories

Researchers have discovered two types of human brain cells that physically help us form memories. These cells play a significant role in dividing continuous conscious experience into distinct segments that can be recalled in the future.    As we move from the past, through the present, and into the future, we form autobiographical memories – … Read more

Why Sex Chromosomes Matter When It Comes to Heart Disease

Most mammals, including humans, have two sex chromosomes, X and Y. One sex chromosome is usually inherited from each parent, and they pair up as either XX or XY in every cell of the body.   People with XX chromosomes typically identify as female, and people with XY chromosomes typically identify as male. The genes … Read more

The ‘Powerhouse of The Cell’ Could Be Secretly Helping Mammal Eyes Process Light

For you to read this article, the eyes have to perform quite the task – light enters the cornea and travels through the pupil and lens to the retina at the back, where light-sensitive cells such as cones and rods then pass things on to the brain via electrical signals in the optic nerve.   … Read more

Largest bacterium ever discovered has unexpectedly complex cells | Science

By definition, microbes are supposed to be so small they can only be seen with a microscope. But a newly described bacterium living in Caribbean mangroves never got that memo (see video, above). Its threadlike single cell is visible to the naked eye, growing up to 2 centimeters—as long as a peanut—and 5000 times bigger … Read more

Scientists Can Now Turn Stem Cells Into Bone Using Nothing More Than Sound

Stem cells have the superpower of turning into any other kind of cell – a superpower that some animals use to regrow limbs; for medicine, they yield the potential to help us repair parts of the human body that have been damaged by injury or disease.   Carrying out those repairs requires the ability to manipulate stem … Read more