The contaminated samples were found outside the reactor building for the first time, causing concern that soil and sea in the surrounding area will be poisoned.
The European Central Bank bought Italian and Spanish government bonds for the first time, causing the yields on those maturities to drop and easing the cost of borrowing for Italy and Spain, but the intervention provided little relief for investors elsewhere.
New figures released by the National Readership Survey NRSS), combining both print and online audiences for the first time, caused ructions behind the scenes.
"Silent Spring" for the first time caused Americans to question the scientists and officials who had been assuring them that no harm would result from the rain of pesticides falling on their farms, parks and backyards.
Linking, for the first time, causes of death to specific weights, they report that overweight people have a lower death rate because they are much less likely to die from a grab bag of diseases that includes Alzheimer's and Parkinson's, infections and lung disease.
22, 23 Crimean-Congo haemorrhagic fever virus (CCHFV) and its Hyalomma tick vector have also emerged in parts of Turkey, and for the first time caused clinical disease in humans in both Turkey and Greece.
The New York Public Library's plan to bring its Mid-Manhattan branch and the Science, Industry and Business Library into its lion-flanked Fifth Avenue landmark building – creating a circulating as well as a research library there for the first time — has caused concern among academics and writers.
For some, the effects of hearing a story of abuse for the first time may cause immediate reactions similar to Post Traumatic Stress Disorder (PTSD), with symptoms like intrusive thoughts, inability to sleep, and anxiety.
Meeting anyone for the first time often causes fearful reactions and is a form of stress - and all sources of stress can make one anxious, forgetful and foggy in thought.
In 2006 bluetongue virus serotype 8 (BTV 8) was identified for the first time in the Netherlands causing a major epidemic in sheep and cattle that quickly spread to neighbouring Belgium, Germany and beyond to France and the UK.
