Sheila Silcock, Author at New ÐÓ°ÉÔ­´´ Science news and science articles from New ÐÓ°ÉÔ­´´ Fri, 17 Apr 1992 23:00:00 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.2 242057827 Is your experiment really necessary?: Animals are used only when strictly required, researchers claim. But there are no clear rules to guide them /article/1825860-is-your-experiment-really-necessary-animals-are-used-only-when-strictly-required-researchers-claim-but-there-are-no-clear-rules-to-guide-them/?utm_campaign=RSS|NSNS&utm_content=currents&utm_medium=RSS&utm_source=NSNS Fri, 17 Apr 1992 23:00:00 +0000 http://mg13418174.600 1825860