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Scientists discover tiny fish can make sounds as loud as a pneumatic drill | Science & Tech News
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Scientists have discovered one of the world’s smallest fish is capable of making sounds registering more than 140 decibels – which is louder than a pneumatic drill. The translucent Danionella cerebrum is just 12mm-long and has the smallest known brain of any vertebrae. The sound was first noticed by scientists studying the species in Berlin,…
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Emergency alert test: Millions of phone users in UK receive message and loud alarm | UK News
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Tens of millions of mobile phone users have received a message and loud alarm during the first nationwide test of the government’s new public alert system. The distinct sound and vibration was accompanied by a message telling people about the service, which is designed to warn if there is a life-threatening emergency nearby. The alert…