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Curtains for OOL: Oxygen Was Present from the Start

Free oxygen is death to life trying to evolve, but it was present early on, being formed naturally from atmospheric carbon dioxide.

Lunar Impact: Major Moon Basin Was Not a Big Hit

The theory of how the largest impact basin on the moon was formed has been turned upside down.

Monarch Butterflies Do Not Have to Migrate

When 101 butterfly genomes were compared, there were surprises.

China Celebrates Non-Discovery of Dark Matter

A huge dark matter detector in China celebrated the publication of its first results: nothing.

Canyons on Earth, Mars Reinterpreted as Flood-Caused

Catastrophic floods formed canyons long thought to have been formed by slow, gradual processes.

Left-Handed Life: Is the Chirality Problem Near Solution?

Cells use only left-handed amino acids and right-handed sugars. A new hypothesis involving the weak nuclear force tries to address this asymmetry.

Of Stars and Significance

The farther out we look, the more questions we have. But does secular astronomy ask the right questions?

Earth as a Habitable Planet

When viewed as a planet among planets, Earth is surprisingly surprising, considering how close it is to scientists' investigating eyes.

Of Planets and People

Here's a quick tour of the planets to see what's newsworthy.

Of Molecules and Men

Atoms and molecules are tiny but can have a big influence on the habitability of planets and astrobiologists' theories about them.

Inflation Claim Crumbles into Dust

The much-hyped proof of cosmic inflation a few months ago has been discredited, revealing more about how science is done in the media age than about reality.

Navajo Sandstone Dates Are Incoherent

Can concretions really be 190 million years younger than the rock in which they are embedded?

Big Bang's Lithium Problem Gets More Problematic

There's no escape; new measurements show far less lithium than predicted by the big bang, and more fine tuning than would be expected by chance.

How Did the Archer Fish Learn Physics?

A little fish that shoots down bugs out of the air learned some tricks of optics and propulsion that impress scientists.

The Miller Experiment Is Dead; Long Live the Miller Experiment

The image of Stanley Miller pondering his spark-discharge apparatus is too valuable an icon to toss on the trash heap of history.
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