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Scents of Science

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Some stress in early life extends lifespan, research in roundworms shows

Some stress at a young age could actually lead to a longer life, new research shows. University of Michigan researchers have discovered that oxidative stress experienced early in life increases subsequent stress resistance later in life. Oxidative stress happens when... Continue Reading →

Arnold Sommerfeld

Born on 5 December 1868 in Königsberg, Prussia, theoretical physicist Arnold Sommerfeld was a pioneer of quantum and atomic physics. Sommerfeld started out studying mathematics, earning his PhD from the University of Königsberg in 1891, when he was just 23... Continue Reading →

Micro implants could restore standing and walking

When Vivian Mushahwar first applied to grad school, she wrote about her idea to fix paralysis by rewiring the spinal cord. It was only after she was accepted into a bioengineering program that the young electrical engineer learned her idea... Continue Reading →

Spiral Galaxy NGC 6744

Beautiful spiral galaxy NGC 6744 is nearly 175,000 light-years across, larger than our own Milky Way. It lies some 30 million light-years distant in the southern constellation Pavo and appears as only a faint, extended object in small telescopes. We see the... Continue Reading →

A new theory for how black holes and neutron stars shine bright

For decades, scientists have speculated about the origin of the electromagnetic radiation emitted from celestial regions that host black holes and neutron stars -- the most mysterious objects in the universe. Astrophysicists believe that this high-energy radiation -- which makes... Continue Reading →

Humans co-evolved with immune-related diseases — and it's still happening

Some of the same mutations allowing humans to fend off deadly infections also make us more prone to certain inflammatory and autoimmune diseases, such as Crohn's disease. In a Review published November 27 in the journal Trends in Immunology, researchers describe... Continue Reading →

Tendon stem cells could revolutionize injury recovery

The buildup of scar tissue makes recovery from torn rotator cuffs, jumper's knee, and other tendon injuries a painful, challenging process, often leading to secondary tendon ruptures. New research led by Carnegie's Chen-Ming Fan and published in Nature Cell Biology reveals the... Continue Reading →

Babies in the womb may see more than we thought

By the second trimester, long before a baby's eyes can see images, they can detect light. But the light-sensitive cells in the developing retina -- the thin sheet of brain-like tissue at the back of the eye -- were thought... Continue Reading →

Hoag’s Object: A Nearly Perfect Ring Galaxy

Is this one galaxy or two? This question came to light in 1950 when astronomer Arthur Hoag chanced upon this unusual extragalactic object. On the outside is a ring dominated by bright blue stars, while near the center lies a ball of much redder... Continue Reading →

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