Noninvasive Down Syndrome test no go (for now)

Discover the latest insights on prenatal down syndrome testing and why a key firm claims it doesn't work as expected.

I blogged about this a few months ago, but Dan MacArthur reports that the firm which was going to roll it out first claims that it doesn't really work as advertised.

Razib Khan
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Space Dust on the Ocean Floor Helps Solve Arctic Ice Puzzle from 30,000 Years Ago

Planet Earth

In a Rare Biological Twist, Chameleons’ Optic Nerves Coil Like a Telephone Cord

A juvenile carangidae appears to be holding an anemone in its mouth.

Planet Earth

Juvenile Fish Are Wielding Sea Anemones Like Shields Against Predators

Planet Earth

Prehistoric Trees That Survived Extinction — The Ginkgo and More Still Thrive Today

One of the newly described toad species, Nectophrynoides luhomeroensis. Photo credit: John Lyarkurwa

Planet Earth

Three Newly Discovered Toads Give Birth to Live Young in a Bizarre Evolutionary Twist

Planet Earth

Bowhead Whales Can Live Up to 200 Years and Their DNA May Contain the Longevity Secret

Planet Earth

Dogs In Chornobyl are Mysteriously Turning Blue, But Radiation Is Not to Blame

Planet Earth

Noninvasive Down Syndrome test no go (for now)

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Razib Khan

Tiny Tropical Spiders Build Giant Fake Versions of Themselves to Scare Off Predators

Turkeys Have a Strict Hierarchy, and Humans May Be at the Bottom of the Pecking Order

Fat Molecules in Deep-Sea Mud Volcanoes Reveal How Microbes Survive Extreme Conditions

Curious Narwhals Keep Bumping Into Underwater Listening Devices — Here's Why

A Slow-Moving Force Is Silently Sculpting Volcanoes Beneath the Ocean

Some Orcas Are Flipping Juvenile White Sharks and Devouring Their Livers

Monk Seals May Be Stringing Sounds Together Like Sentences

Space Dust on the Ocean Floor Helps Solve Arctic Ice Puzzle from 30,000 Years Ago

In a Rare Biological Twist, Chameleons’ Optic Nerves Coil Like a Telephone Cord

Juvenile Fish Are Wielding Sea Anemones Like Shields Against Predators

Prehistoric Trees That Survived Extinction — The Ginkgo and More Still Thrive Today

Three Newly Discovered Toads Give Birth to Live Young in a Bizarre Evolutionary Twist

Bowhead Whales Can Live Up to 200 Years and Their DNA May Contain the Longevity Secret

Dogs In Chornobyl are Mysteriously Turning Blue, But Radiation Is Not to Blame

Carnivorous Death-Ball Sponge and Other New Species Have Been Found in the Deep Sea

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