Fish's rapid response to climate change

When a chemical alarm cue is released into one of two flumes, the normal response for a fish is to swim down the flume without the chemical. But when the water is more acidic, some fish do not behave normally: instead they ...

Researchers examine the wake-up times of German Twitter users

For many people, the alarm clock rings much too early on Mondays. These people suffer from a mismatch between their social obligations and natural human circadian rhythms that are dictated by the biological clock, which is ...

Study indicates 'Alala calls have changed

A study published in the January edition of the journal Animal Behaviour documents significant changes in the vocalizations that 'alalā make today, when compared with those recorded in the wild more than a decade ago. The ...

A molecular alarm clock awakens resting ovules

At the start of reproductive life an ovary contains, on average, several thousands of immature ovules in a resting state that can last for several decades. But how does each resting ovule know that it is time to prepare for ...

Don't panic: Lessons learned from Hawaii false alarm

When Hawaiian Island residents received a false alarm text message that said "Ballistic missile threat inbound to Hawaii. Seek immediate shelter. This is not a drill," in January 2018, the result was not panic, according ...

Nest recalling 440K smoke alarms for safety risk

Government regulators on Wednesday said that they have approved Nest Labs' plans to fix a feature in its smoke alarms that could prevent them from sounding immediately.

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