Biology Evolutionary biology
27 May 2020
A re-analysis of dinosaur skulls from northern Alaska suggests they belong to a genus that lived over a broad latitudinal range extending into the Arctic.
13 Jan 2020
Analysis of the Nomura’s jellyfish genome has identified unique genetic adaptations that helped them become early, successful multi-cellular predators.
17 Dec 2019
A team of researchers from the National University of Singapore has found that the effective population size and genetic diversity of Singapore’s Cynopterus brachyotis, believed to remain widely unaffected by urbanisation, has shrunk significantly over the last 90 years – revealing that the current biodiversity crisis may be much broader than widely assumed, affecting even species thought to be common and tolerant of fragmentation and habitat loss.
21 Dec 2018
In a group of bark lice, a penis has evolved twice – in the females. In their nutrient-scarce environment, “seminal gifts” are an incentive for females to force mating, leading to the co-evolution of female penises and male vaginas.
19 Nov 2018
A variety of animals have male-specific ornament traits and these ornaments are favored by female choice. Which male traits are preferred by females often varies among females. Genetic mechanisms that create and maintain variations in female preference has been one of the central questions in evolutionary ecology.
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Mohd Zacaery Khalik is a lecturer at the Universiti Malaysia Sarawak and is pursuing his Ph.D with the Naturalis Biodiversity Center and Leiden University in The Netherlands. He researches the evolution of snails in Borneo.