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How Eerie Sea-Ice "Brinicles" Form

When salt-rich water leaks out of sea ice, it sinks into the sea and can occasionally create an eerie finger of ice called a brinicle. New research explains how these strange fingers of ice form and how the salty water within sea ice could have been a prime environment in which life may have evolved...

April 26, 2013 — Douglas Main, LiveScience and OurAmazingPlanet

What Causes Fertilizer Explosions?

Ammonium nitrate, frequently added to improve a fertilizer's nitrogen content, is relatively stable under most conditions. If it comes into contact with an ignition source, however, it explodes violently, decomposing rapidly into two gases...

April 18, 2013 — Marc Lallanilla and LiveScience

Texas Explosion Echoes Worst Industrial Accident Ever

The West, Texas, fertilizer plant explosion on April 17 echoes an April 16, 1947, event when a ship loaded with ammonium nitrate, also a chemical fertilizer, docked at the Port of Texas City erupted in flames and exploded, killing nearly 600 people...

April 18, 2013 — Stephanie Pappas and LiveScience

Circumcision Alters Penis Bacteria

Microbiome changes might explain how circumcision reduces HIV risk, possibly by eliminating bacteria that activate immune cells in the skin that themselves present the retrovirus to the immune system, making infection more likely...

April 16, 2013 — Stephanie Pappas and LiveScience

Doctors Detect Obesity Bug on Breath

Certain gas-emitting microbes in our intestinal tract might determine our propensity for packing on pounds, leading to the presence of methane or hydrogen on one's breath

March 26, 2013 — Christopher Wanjek and LiveScience

Found: Africa's Oldest Penguins

A new fossil discovery could shed light on why the number of penguin species plummeted on Africa's coastline from four species 5 million years ago to just one today—the jackass penguin

March 26, 2013 — Tia Ghose and LiveScience

Fossils of Earliest Old World Monkeys Unearthed

The fossils, three million years older than previous remains found to date, reveal that early colobine monkeys apparently coexisted with other, more archaic primates. Competition with colobines could have helped drive the other groups to extinction...

March 19, 2013 — Charles Q. Choi and LiveScience

Immortal Line of Cloned Mice Created

Mice can be cloned via somatic cell nuclear transfer from other mice indefinitely, a new technique suggests. The technique could be used for large-scale production of superior-quality animals for farming or conservation purposes...

March 8, 2013 — Tanya Lewis and LiveScience
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