Uncategorized
- Space
New cosmic distance record-holder
A faraway galaxy hails from a time when the 13.7-billion-year-old universe was a mere 600 million years old.
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- Animals
Lady MacBee
In one stingless Brazilian species, young queens shut out of succession in their own hives often usurp another colony’s throne.
- Physics
Holy moley
Adding more decimal places to Avogadro constant could produce a better definition of the kilogram.
- Life
Molecular Evolution
Investigating the genetic books of life reveals new details of 'descent with modification' and the forces driving it.
- Life
Climate changes, and there goes the neighborhood
The ranges of rattlesnakes and voles are likely to shift drastically with warming, analyses of past changes suggest.
- Earth
‘Fossil’ mountains entombed by ice
Cold temperatures have kept a buried Antarctic range fresh for hundreds of millions of years.
- Humans
How testing improves memory
By creating associations, quizzes improve recall much more effectively than just reviewing notes.
- Psychology
Getting to not know you
Knowledge of a romantic partner’s likes and dislikes declines over decades, a study finds.
- Space
Existence of habitable exoplanet questioned
A Swiss team has failed to confirm what has recently been claimed to be the first planet outside the solar system that might be right for life.
- Chemistry
Guards of the blood-brain barrier identified
Specialized cells called pericytes are crucial to protecting the central nervous system, two new studies demonstrate.
- Life
More than a chicken, fewer than a grape
A decade after the completion of the Human Genome Project, the exact number of human genes remains elusive.
