The mating success of male butterflies is often lower if they are inbred. But how do female butterflies know which males to avoid? New research reveals that inbred male butterflies produce significantly less sex pheromones, ...
Plants & Animals
Mar 5, 2013
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An international team of researchers has used ancient DNA to produce compelling evidence that the lack of genetic diversity in modern stallions is the result of the domestication process.
Plants & Animals
Aug 23, 2011
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Social networks have been found to influence academic performance: students tend to perform better with high-performers among their friends, as some people are capable of inspiring others to try harder, according to Sofia ...
Social Sciences
Aug 4, 2020
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As climate change intensifies extreme heat, farms are becoming less hospitable to nesting birds, a new study found. That could be another barrier to maintaining rapidly eroding biodiversity that also provides benefits to ...
Ecology
Oct 22, 2023
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(PhysOrg.com) -- Scientists studying tropical guppies have discovered that the less colorful and attractive males have better quality sperm, while the attractive fish invest in their appearance at the expense of sperm quality.
Researchers know how to make precise genetic changes within the genomes of crops, but the transformed cells often refuse to grow into plants. One team has devised a new solution.
Biotechnology
Oct 13, 2020
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162
What mechanisms control the generation and maintenance of biological diversity on the planet? It's a central question in evolutionary biology. For land-dwelling organisms such as insects and the flowers they pollinate, it's ...
Evolution
Aug 8, 2012
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Large carnivores are critical to the balance of an ecosystem. In Yellowstone National Park in the western US, gray wolves keep elk populations at a healthy level. This prevents vegetation from being overgrazed and leads to ...
Ecology
Feb 20, 2023
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24
(PhysOrg.com) -- Female dolphins who have help from their female friends are far more successful as mothers than those without such help, according to a landmark new study.
Plants & Animals
Nov 1, 2010
1
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Young virgin female hide beetles (Dermestes maculatus) are attracted to cadavers by a combination of cadaver odour and male sex pheromones, finds a new study published in BioMed Central's open access journal Frontiers in ...
Plants & Animals
Aug 13, 2012
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