A University of Bristol-led study found that life on Earth, stemming from a common ancestor called LUCA, flourished soon after the planet’s formation.
Through genetic analysis and evolutionary modeling, researchers pinpointed LUCA’s existence to about 4.2 billion years ago, revealing it as a complex organism with an early immune system integral to Earth’s earliest ecosystems.
Luca’s genetic blueprint and its descendants.
New findings from the University Hospital Bonn (UKB), in collaboration with the University of Bonn, have revealed that specific early alterations in patients with age-related macular degeneration (AMD) can result in noticeable local vision loss. This breakthrough could enhance the treatment and monitoring of this eye condition in elderly patients, which typically progresses to central blindness, and facilitate the testing of new treatments.
AMD mainly affects elderly people. If left untreated, the disease leads to a progressive loss of central vision, which significantly impairs everyday activities such as reading or driving. Researchers around the world are intensively searching for ways to improve the early detection and treatment of this disease before major losses occur.
A research team from the UKB Eye Clinic, in cooperation with the University of Bonn and in close collaboration with basic and clinical scientists, has specifically examined patients with early forms of AMD. The researchers focused on the so-called iRORA lesions, which are very early anatomical signs of retinal damage.
As space travel becomes more common, it is important to consider the impacts of space flight and altered gravity on the human body. Led by Dr. Ana Diaz Artiles, researchers at Texas A&M University are studying some of those impacts, specifically effects on the eye.
Gravitational changes experienced by astronauts during space travel can cause fluids within the body to shift. This can cause changes to the cardiovascular system, including vessels in and around the eyes.
As the commercialization of space flight becomes more common and individual space travel increases, astronauts will not be the only ones experiencing these changes. Individuals traveling to space with commercial companies may not be as fit or healthy as astronauts, making it even more important to understand the role that fluid shift plays in cardiovascular and eye health.
Yes, we wish it were quicker too.
In this short video Dr. David Sinclair discusses the progress made with the new glaucoma treatment and upcoming human trials. Also, the timeline for potential availability of the treatment and reverse aging molecules which his company Metrobiotech is working on.
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The element actinium was first discovered at the turn of the 20th century, but even now, nearly 125 years later, researchers still don’t have a good grasp on the metal’s chemistry. That’s because actinium is only available in extremely small amounts and working with the radioactive material requires special facilities. But to improve emerging cancer treatments using actinium, researchers will need to better understand how the element binds with other molecules.
