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How bees find their way home

The researchers have studied the tropical species Megalopta genalis. Photo: Ajay Narendra How can a bee fly straight home in the middle of the night after a complicated route through thick vegetation in search of food? For the first time, researchers have been able to show what happens in the brain of the bee.

Odourants can stop insect attacks on trees

Martin N Andersson. Photo: Caroline Isaksson Insect attacks on trees can cause huge damage to forests and economic loss for the owners. A research project at Lund University tries to find more effective ways to use odourants to stop the attacks. So far the results are promising.

Climate change causes late arrival

Bar-tailed godwits migrate from Alaska to New Zealand. A journey that takes almost ten days. Photo: Phil Battley The ongoing climate change leads to problems for migrating birds. Warmer temperature means that insects appear earlier in the spring and later in the autumn. The birds’ internal biological clock does not meet up to these changes. Instead they arrive to their breeding and winter quarters at a time which is not optimal for feeding.

New study changes our view on flying insects

Photo: Anders Hedenström For the first time, researchers are able to prove that there is an optimal speed for certain insects when they fly. At this speed, they are the most efficient and consume the least amount of energy. Corresponding phenomena have previously been demonstrated in birds, but never among insects.

Millions awarded to research on the birth of the universe

Peter Christiansen and Leif Lönnblad. Photo: Hampus Nilsson How did the universe look right after the Big Bang? Two researchers at the Faculty of Science will now receive more than SEK 26 million from the Knut and Alice Wallenberg Foundation for a project that focuses on the birth of the universe, more specifically, the microsecond when existence consisted solely of liquid plasma.

Plant substance inhibits cancer stem cells

Photo: Rodrigo Villagomez Lab experiments show that the chemical compound damsin found in the plant Ambrosia arborescens inhibits the growth and spread of cancer stem cells. The similar but synthetically produced ambrosin has the same positive effect, according to researchers at Lund University and University Major of San Andrés in La Paz, Bolivia.

Brain damage in fish affected by plastic nanoparticles

Photo: Christer Brönmark A new study from Lund University in Sweden shows that plastic particles in water may end up inside fish brains. The plastic can cause brain damage, which is the likely cause of behavioural disorders observed in the fish.

Celebrity fossil reveals all for science

Agnostus pisiformis (Photo: Esben Horn) With the help of an artist, a geology professor at Lund University in Sweden has figuratively speaking breathed life into one of science’s most well-known fossil species; Agnostus pisiformis. The trilobite-like arthropod lived in huge numbers in Scandinavia a half-billion years ago. Today, this extinct species provides important clues for science in several ways.

Young birds suffer in the city

Photo: Pablo Salmón City life is tough for young birds. But if they survive their first year, they are less susceptible to the effects of stress, according to research from Lund University in Sweden.

Equation reveals the characteristics of quantum chaos

The research study contributes to our basic understanding of random matrices and the theory of quantum chaos. Researchers have now succeeded in formulating a mathematical result that provides an exact answer to the question of how chaos actually behaves. The researchers have analysed chaotic states at the atomic level.

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Lena.Bjork_Blixt [at] science.lu.se