Plant-based, probiotics and vitamins: what new diets mean for farmed fish health

Farmed fish are increasingly becoming vegetarian, with plant-based feed now widely used in Europe. Researchers now want to optimise feed to promote fish growth and nutrition. To do this, they are studying fish gut bacteria and the impact of probiotic additives as well as testing nutrient supplements. Aquaculture, which involves farming fish, shellfish and aquatic … Read more

Why climate change could make Mediterranean atmospheric ‘meteotsunamis’ more common

Rogue waves that strike without warning across the Mediterranean and elsewhere may become more frequent as the climate changes, early-stage research suggests. A meteotsunami is a form of tsunami generated by atmospheric conditions, and it can strike any coastline adjacent to a sea floor with a long, shallow shelf. They are not as massive, nor … Read more

Q&A: Why unconventional resources are key to expanding geothermal energy use

The smouldering heat generated during the formation of our planet and the continuous decay of radioactive material lies trapped within the Earth’s crust, just waiting to be tapped to satisfy humanity’s insatiable demand for heat and electricity. It sounds deceptively simple — drill a well into the Earth and bring piping steam or hot water … Read more

Five things to know about: Mixing and matching coronavirus vaccines

Amid global vaccine rollouts, with nearly 1.2 billion doses currently administered, some countries have recommended a mixed-dose approach where a first prime shot is followed by a booster of a second type.  The measure has been introduced by France and Germany for people who received a first dose of the AstraZeneca vaccine but are in age groups for which that vaccine is … Read more