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<p>Researchers in China have found out how nutrient depletion in pregnant mothers is sensed by the growing embryo to trigger a pause in their development. This process, known as diapause, is used by over 100 mammalian species and occurs in times of environmental stress. The study, published in Development, provides new insights into how diapause is controlled and could guide future improvements to infertility treatments, such as embryo freezing.</p>

It's challenging to sustain a pregnancy when food is short, or conditions are otherwise tough. That's why many mammalian embryos can postpone their growth to get through periods of environmental stress and then re-enter development when conditions improve.

World News - PARIS – Scientists in China on Tuesday announced that they have cloned the first healthy rhesus monkey, a two-year-old named Retro, by tweaking the process that created Dolly the sheep. Primates have proved particularly difficult to clone, and the scientists overcame... Read more at www.tnp.sg

Chinese researchers have reported the successful cloning of a rhesus monkey, which has so far survived to two years of age.

Projects to test competing theories of consciousness are raising hopes that we’re making progress on one of science’s most intractable questions. Plus, a cloned rhesus monkey lives to adulthood for first time and what a 92-year-old elite athlete teaches us about healthy ageing. Projects to test competing theories of consciousness are raising hopes that we’re making progress on one of science’s most intractable questions. Plus, a cloned rhesus monkey lives to adulthood for first time and what a 92-year-old elite athlete teaches us about healthy ageing.