ResearchGuides: Biological and Environmental Sciences: Biological and Environmental Sciences Subject Guide

Biological and Environmental Sciences Subject Guide

"Germination Arabidopsis Thaliana-2-cliche Jean Weber " by INRA DIST, Jean Weber is licenced under CC BY 2.0

This guide is designed for Helsinki University researchers, teachers and students by Helsinki University librarians and subject specialists to help you to find the most relevant information in biological and environmental sciences.

If you have any questions, comments, or suggestions to improve the guide, please let us know.

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Science Daily News – Plants & Animals

Drug pollution alters salmon migrationThis link opens in a new window Study reveals commonly detected environmental levels of clobazam -- a medication often prescribed for sleep disorders -- increased the river-to-sea migration success of juvenile salmon in the wild. The research team employed slow-release pharmaceutical implants and animal-tracking transmitters to monitor how exposure to clobazam and the opioid painkiller tramadol -- another common pharmaceutical pollutant -- affected the behaviour and migration of juvenile Atlantic salmon (Salmo salar) in Sweden's River Dal as they migrated to the Baltic Sea. Apr 10, 2025
Certain nasal bacteria may boost the risk for COVID-19 infection, study findsThis link opens in a new window A new study has found that certain bacteria living in the nose may influence how likely someone is to get a COVID-19 infection. The research reveals that certain types of nasal bacteria can affect the levels of key proteins the virus needs to enter human cells, offering new insight into why some people are more vulnerable to COVID-19 than others. Apr 9, 2025
Eight or more drinks per week linked to signs of injury in the brainThis link opens in a new window Heavy drinkers who have eight or more alcoholic drinks per week have an increased risk of brain lesions called hyaline arteriolosclerosis, signs of brain injury that are associated with memory and thinking problems, according to a new study. Apr 9, 2025
Further translation of the language of the genomeThis link opens in a new window Research into transcription factors deepen understanding of the 'language' of the genome, offering insights into human development. Apr 9, 2025
How much food can the world grow? International team calls for new yield potential estimatesThis link opens in a new window Agronomists question statistical methods used to predict yield potential and 'yield gaps' for major crops. In some cases, yield potential is overestimated, while in others it can be underestimated. It's important to have accurate information so that worldwide agriculture can meet the food demands of the growing global population. Apr 9, 2025
Tree rings track atmospheric mercury cheaplyThis link opens in a new window Wild fig tree rings offer a cheap method for tracking toxic atmospheric mercury, a byproduct of gold mining in the Global South, according to a new study. Apr 9, 2025

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Science Daily News – Earth & Climate

Drug pollution alters salmon migrationThis link opens in a new window Study reveals commonly detected environmental levels of clobazam -- a medication often prescribed for sleep disorders -- increased the river-to-sea migration success of juvenile salmon in the wild. The research team employed slow-release pharmaceutical implants and animal-tracking transmitters to monitor how exposure to clobazam and the opioid painkiller tramadol -- another common pharmaceutical pollutant -- affected the behaviour and migration of juvenile Atlantic salmon (Salmo salar) in Sweden's River Dal as they migrated to the Baltic Sea. Apr 10, 2025
How much food can the world grow? International team calls for new yield potential estimatesThis link opens in a new window Agronomists question statistical methods used to predict yield potential and 'yield gaps' for major crops. In some cases, yield potential is overestimated, while in others it can be underestimated. It's important to have accurate information so that worldwide agriculture can meet the food demands of the growing global population. Apr 9, 2025
Potable water happy byproduct of low-cost green hydrogen technologyThis link opens in a new window Engineers have hit the trifecta of sustainability technology: A group has developed a low-cost method to produce carbon-free 'green' hydrogen via solar-powered electrolysis of seawater. A happy byproduct of the process? Potable water. Apr 9, 2025
Tree rings track atmospheric mercury cheaplyThis link opens in a new window Wild fig tree rings offer a cheap method for tracking toxic atmospheric mercury, a byproduct of gold mining in the Global South, according to a new study. Apr 9, 2025
Sink or Swim: The fate of sinking tectonic plates depends on their ancient tectonic historiesThis link opens in a new window New findings provide a greater understanding of plate subduction, or how tectonic plates slide beneath one another. This recycling of surface materials and volatile elements deep into the Earth's interior, can impact long-term climate stability, atmospheric balance, and the habitability of our planet over billions of years. Apr 9, 2025
Mapping mercury contamination in penguins of the Southern OceanThis link opens in a new window In 1962, when environmentalist and author Rachel Carson penned 'Silent Spring,' alerting the world to the dangers of the pesticide DDT, it was the reproductive threat to birds -- the bald eagle in particular -- that spurred people to action. Six decades later, researchers are taking the measure of another global environmental pollutant by drawing parallels to the crisis Carson identified. This time, the pollutant is mercury, and the sentinels are penguins living in the farthest reaches of the Antarctic Peninsula. Apr 9, 2025