James Weber explains the role of positive feedback loops and how they could lead to runaway environmental disaster Our atmosphere can be thought of as a single, highly complex system. The complexity arises in part due to the coupling of a vast array of different elements, such as temperature, wind speed, and chemical composition. Should one element be disturbed, others will also change, and this perturbation will propagate throughout the
Scientists work together to create more effective medicines Advances continue to progress personalised medicine, a field in which drugs are tailored to patients’ needs based on their genetic information. Historically, simply screening patients’ genomes enabled this trend but more recently, synthetic nucleotide-based medicines have taken this a step further. Nucleotide-based medicines use artificial DNA and RNA (nucleotides) to target cellular genetic information directly, shutting off genetic diseases at their source.
While many plants entice pollinators with nectar, fig trees do so with the promise of safety and food for the pollinators’ offspring. For the last 50 million years, fig trees have been exclusively pollinated by symbiotic wasps. The insects are born in the little flowers that make up the inside of the fig fruit and are thus provided with a ready food supply. The winged females and wingless males mate
Uummannaq: A Century of Exploration BlueSci takes an inside look at The Polar Museum’s recent exhibition The Polar Museum, on Cambridge’s Lensfield Road, is currently showing an exhibition on the town of Uumannaq, Greenland and the research being carried out by the attached Scott Polar Research Institute (SPRI) on the surrounding glaciers. BlueSci correspondent Seán Herron was lucky enough to receive a tour of the exhibition from Tom Chudley, one
Alba Landra uncovers the ancient ancestry that underlies modern human evolution. MODERN HUMANS have managed to reach every corner of the globe and with current population sizes rising rapidly, we could stake a claim to being the most ‘successful’ hominid species yet. However, how much has our recent ancestry impacted our evolution, and have our previous interbreeding events helped, or even hindered, our success as a species? About 100,000 years ago,
Oran Maguire explains how engineering and cell biology are carving out a new field One of the most exciting fields to emerge in the life sciences and biotechnology in recent years is tissue engineering, which centers around creating a reliable supply of functional tissue that will not be rejected by potential transplantees. Yet if it is ever going to realise its goals in the clinic, tissue engineering will have to
Jiali Gao looks at what toad sex, a suicide and starvation have taught genetics The theory of evolution is up there with the ‘universal law of gravitation’ and the ‘theory of general relativity’ when it comes to popular science. Darwin and Lamarck’s famous historical showdown is ensconced in GCSE Science textbooks, with Darwin emerging as the heroic victor, whilst Lamarck’s work is relegated to history’s dumping ground for scientific theories