Blog Profile / Scientific American: Observations

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Archived Since:November 13, 2008

Blog Post Archive

Is It Snowing on Pluto?

Snowfall is rare in our solar system. A tantalizing new image suggests that the dwarf planet may be one of the few places where it occurs -- Read more on

How Scientific Inventions Sparked Population Explosion

A video timeline shows 2,000 years of population growth to projections to 2050 -- Read more on

How Precision Medicine Will Transform Cancer Treatment [VIDEO]

Nobelist Harold Varmus on the promise of a new generation of cancer treatments—and the big challenges that remain -- Read more on

What if Dark Matter is Stranger Than We Thought? [Video]

The universe’s hidden stuff could be a mirror world of invisible particles and “dark atoms” -- Read more on

8 Spacecraft That Have Been Rescued, Resurrected and Repurposed

In celebration of the Philae lander waking up from its long slumber, we take a look back at other spacecraft that have experienced resurrections -- Read more on

75-Million-Year-Old Dinosaur Soft Tissue Suggests Ancient Organic Preservation May Be Common

Researchers have found what appear to be collagen fibers and blood cells in unremarkable-looking fossils -- Read more on

Archaeologists Take Wrong Turn, Find World's Oldest Stone Tools [Update]

SAN FRANCISCO–Archaeologists working in the Kenyan Rift Valley have discovered the oldest known stone tools in the world. Dated to around 3.3 million years ago, the implements are some 700,000... -- Read more on ScientificAmerican.c...

Black Hole "Blazars" Reveal Hidden Side of the Universe [Video]

The bright lights from these hungry black holes revealed a subtle background field -- Read more on

MESSENGER’s Mercurial Swan Song and Other Interplanetary Smashups

On April 30, if all goes well, after running out of fuel to fight off orbital decay NASA’s long-running MESSENGER spacecraft will end its mission to Mercury by crashing into the planet’s... -- Read more on

Hubble's Repairman Reflects on the Telescope's Legacy

Twenty-five years ago, on April 24, 1990, the Hubble Space Telescope soared into orbit. Since then, its great discoveries have been legion, and the story of how it became the most successful and... -- Read more on ScientificAmerican...

Can the U.S. Go All-Electric?

New homes wired with the latest smart gadgets cluster together around shared park spaces. Blue-black panels that transform sunshine into electricity grace a majority of roofs. -- Read more on

Supermassive Black Holes Make Merging Galaxies Green

Green as a color can mean animal, vegetable or mineral. It is the stuff of crocodiles, chlorophyll and copper patina, the essence of serpentine or of snakes in the grass, the hue of a glacial lake, a... -- Read more on

Against April Fools' in Science Journalism

My lowest point as a science journalist came before I even knew what a science journalist was. I was a young punk in an eighth-grade science class at Northwood Middle School in Greenville, South... -- Read more on ScientificAmerican...

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