Understanding the circadian clocks of individual cells

Two new studies led by UT Southwestern scientists outline how individual cells maintain their internal clocks, driven both through heritable and random means. These findings, published online May 1 in PNAS and May 27 in eLife, ...

Finding a gene that regulates sleep

What keeps us awake—and helps us fall asleep? The answer is complex, but involves what are called circadian rhythms, which are found in all species with sleep-wake cycles—physical, mental, and behavioral changes that ...

Space behaviour

Europe's Columbus laboratory enters its eleventh year in space with steady operations, a few upgrades and several experiments in full swing.

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