First Black astronaut candidate, now 90, reaches space in Blue Origin flight | Blue Origin

First Black astronaut candidate, now 90, reaches space in Blue Origin flight | Blue Origin

Sixty-one years since he was selected but ultimately passed over to become the first Black astronaut, Ed Dwight finally reached space in a Blue Origin rocket – and set a different record. At 10.37am on Sunday, Jeff Bezos’s space company launched its NS-25 mission from west Texas, marking Blue Origin’s first crewed spaceflight since 2022 … Read more

The vicious cycle of protein clumping in Alzheimer’s disease and normal aging

The vicious cycle of protein clumping in Alzheimer’s disease and normal aging

It has long been known that a hallmark of Alzheimer’s disease, and most other neurodegenerative diseases, is the clumping together of insoluble protein aggregates in the brain. During normal disease-free aging, there is also an accumulation of insoluble proteins. To date, approaches to treatments for Alzheimer’s disease have not addressed the contribution of protein insolubility … Read more

Nature positive? Far from it.

Nature positive? Far from it.

Credit: The Conversation The government has great aspirations. It has committed to end extinctions and expand our protected areas to cover 30% of every Australian ecosystem by 2030. This is part of its Nature Positive Plan, aligned with the 2022 Kunming-Montreal global biodiversity pact. The goal is not just to conserve nature but to restore … Read more

Readers reply: what was humanity’s first word? | Life and style

Readers reply: what was humanity’s first word? | Life and style

What was the first word that humanity uttered? There must have been one … Raymond Simms, Hull Send new questions to [email protected]. Readers reply “Wilma!” bricklayersoption I think there was a sudden transition from vocalised strings of sounds to meaningful sentences. At that point, most would already have recognised the meaning or intent, but not … Read more

New sensor gives unprecedented look at changes in cell’s energy ‘currency’

The vicious cycle of protein clumping in Alzheimer’s disease and normal aging

Just as the US economy runs on the dollar, the cellular economy runs on ATP. The energy-carrying molecule fuels nearly all processes inside the cell, making ATP critical for cellular life. Now, a new sensor developed at Janelia is giving researchers the best look yet at ATP levels inside living cells, enabling scientists to study … Read more

How Black teachers lost when civil rights won in Brown v. Board

How Black teachers lost when civil rights won in Brown v. Board

by Diana D’Amico Pawlewicz, Andrea Guiden Pittman, Andrene J. Castro and Marvin G. Powell, The Conversation Credit: fauxels from Pexels Brown v. Board of Education, the Supreme Court decision that desegregated public schools, stands in the collective national memory as a turning point in America’s fight for racial justice. But as the U.S. observes its … Read more