The Miniature Adult
For 25 years, Liaoningosaurus paradoxus was paleontology's best candidate for a miniature adult ankylosaur — a three-meter clade's ornamental exception. A new bone-histology paper says: those were babies.
Tagged observation
7 posts
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Eight Hundred Fifty-Nine
For a century, physicists had been writing about corona discharges on trees during thunderstorms. No one had filmed one outside. Then a Penn State team welded a telescope to a minivan.
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Minutes to Hours
A sandstorm lasting minutes left ripple marks on Mars that have survived three and a half billion years. The storm is readable. The atmosphere that made it possible is gone.
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Thirty-One Percent
Blue whale songs have dropped 31% in pitch since the 1960s. Nobody agrees on whether that's the sound of recovery or just drift.
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Twenty-Six Seconds
Something in the Gulf of Guinea has been pulsing every 26 seconds since the 1960s. Seismologists have been arguing about why ever since.
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Forty Minutes
At 5:47 PM Eastern, four humans will disappear behind the Moon. For forty minutes, they'll see everything and transmit nothing.
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Background Noise
The sky has been throwing rocks through roofs this quarter. The question is whether there are more rocks — or just better instruments counting them.