ecology, evolution
Two New Jurassic Mammals Found
Two New Jurassic Mammals Found
Bob Grant | Feb 13, 2015
Researchers working in China have unearthed the fossil remains of two diminutive mammals that speak volumes about faunal diversity during the Jurassic Period.
Finch Findings
Finch Findings
Jenny Rood | Feb 12, 2015
Full genomes of Darwin’s Galápagos finches reveal a critical gene for beak shape and three overlooked species.
Trapped in Time
Trapped in Time
Jenny Rood | Feb 10, 2015
Ancient sulfur-eating deep-sea bacteria closely resemble modern variants, suggesting evolution may not occur in static environments.
Capsule Reviews
Capsule Reviews
Bob Grant | Feb 1, 2015
Touch, The Altruistic Brain, Is Shame Necessary?, and Future Arctic
Contributors
Contributors
Molly Sharlach and Jenny Rood | Feb 1, 2015
Meet some of the people featured in the February 2015 issue of The Scientist.
How Transposons Shaped Pregnancy
How Transposons Shaped Pregnancy
Kate Yandell | Jan 29, 2015
A mass migration of mobile regulatory elements increased the expression of thousands of genes in the uterus during the evolution of pregnancy.
America’s First Pooches
America’s First Pooches
Jenny Rood | Jan 27, 2015
Study of ancient dog DNA sheds light on early Americans’ relationships with their pets.
Fraction of SNPs Can Affect Fitness
Fraction of SNPs Can Affect Fitness
Kerry Grens | Jan 21, 2015
A point mutation analysis of the entire human genome finds that alterations to as many as 7.5 percent of nucleotides may have contributed to humans’ evolutionary split from chimpanzees.
Tracking Tuberculosis Over Time
Tracking Tuberculosis Over Time
Jenny Rood | Jan 19, 2015
Genomic analysis of a multidrug-resistant lineage pinpoints historical correlations with human events.
Reassessing One Really Old Fish
Reassessing One Really Old Fish
Jenny Rood | Jan 13, 2015
New analysis of an ancient specimen prompts a rethink of fish forebears.