Sunday Science
A look at what's on the SCMP's weekly science page
PUBLISHED : Sunday, 27 January, 2013, 2:11pm
UPDATED : Monday, 18 February, 2013, 10:23pm
This Sunday:
- Martin Williams asks whether face masks and air filters truly help people breathe in polluted cities.
- Paul Davies tells us how cancer can teach us about life's evolution.
- European Space Agency chief Jean-Jacques Dordian says 2013 will be a bumper year for space science.
- In Short Science: The US National Institute of Health stops funding research using chimps, dung beetles are found to navigate by the stars, and in the ultimate symbiosis, researchers in Sweden have found that a genetic switch made it possible for dogs to go from meat-munching wolves to man's leftover-loving best friend.
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![North Korean dictator Kim Jong-un and US President Donald Trump have engaged in a war of words. Photos: AFP, AP]( "North Korean dictator Kim Jong-un and US President Donald Trump have engaged in a war of words. Photos: AFP, AP")
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![The words being used by Australian leaders are the harshest any time since diplomatic relations commenced in 1972, with the exception of comments at the time of the Tiananmen crackdown. The tone is harsher than that of any other US ally, including Japan. Illustration: Craig Stephens]( "The words being used by Australian leaders are the harshest any time since diplomatic relations commenced in 1972, with the exception of comments at the time of the Tiananmen crackdown. The tone is harsher than that of any other US ally, including Japan. Illustration: Craig Stephens")
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![US President Donald Trump addresses the United Nations General Assembly in New York. Trump has been widely criticised since the speech for referring to North Korean leader Kim Jong-un as “Rocket Man” and threatening to destroy North Korea. Photo: AP]( "US President Donald Trump addresses the United Nations General Assembly in New York. Trump has been widely criticised since the speech for referring to North Korean leader Kim Jong-un as “Rocket Man” and threatening to destroy North Korea. Photo: AP")
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![Andrew Leung says major issues, from North Korea to trade and maritime rights, will be at stake when Trump visits China. But, above all, it will be an opportunity for the two powers to recalibrate their relationship and define the new world order]( "Andrew Leung says major issues, from North Korea to trade and maritime rights, will be at stake when Trump visits China. But, above all, it will be an opportunity for the two powers to recalibrate their relationship and define the new world order")
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![Veteran English professor Douglas Kerr. Photo: K.Y. Cheng]( "Veteran English professor Douglas Kerr. Photo: K.Y. Cheng")
Shared
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![North Korean dictator Kim Jong-un and US President Donald Trump have engaged in a war of words. Photos: AFP, AP]( "North Korean dictator Kim Jong-un and US President Donald Trump have engaged in a war of words. Photos: AFP, AP")
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![US President Donald Trump addresses the United Nations General Assembly in New York. Trump has been widely criticised since the speech for referring to North Korean leader Kim Jong-un as “Rocket Man” and threatening to destroy North Korea. Photo: AP]( "US President Donald Trump addresses the United Nations General Assembly in New York. Trump has been widely criticised since the speech for referring to North Korean leader Kim Jong-un as “Rocket Man” and threatening to destroy North Korea. Photo: AP")
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![More than 1.5 million visitors arrived in Singapore from mainland China in the first half of the year, the Chinese embassy says. Photo: AFP]( "More than 1.5 million visitors arrived in Singapore from mainland China in the first half of the year, the Chinese embassy says. Photo: AFP")
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![Scandal-hit Japanese model-cum-actress is not the first to learn the pitfalls of taking on an entertainment industry that enjoys close links to the criminal underworld]( "Scandal-hit Japanese model-cum-actress is not the first to learn the pitfalls of taking on an entertainment industry that enjoys close links to the criminal underworld")
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![Veteran English professor Douglas Kerr. Photo: K.Y. Cheng]( "Veteran English professor Douglas Kerr. Photo: K.Y. Cheng")
Commented
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![The popular WhatsApp messaging service has been severely disrupted in China in recent days. The program is popular among activists and rights lawyers because of its enhanced security features. Photo: Reuters]( "The popular WhatsApp messaging service has been severely disrupted in China in recent days. The program is popular among activists and rights lawyers because of its enhanced security features. Photo: Reuters")
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![North Korean military officers vow to wage a sacred war against the US at a meeting in Pyongyang in this undated photo released by North Korea’s KCNA news agency on September 22. Photo: Reuters.]( "North Korean military officers vow to wage a sacred war against the US at a meeting in Pyongyang in this undated photo released by North Korea’s KCNA news agency on September 22. Photo: Reuters.")
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![Outgoing HKU vice-chancellor Peter Mathieson clarifies an earlier joint statement made with other university heads. Photo: Dickson Lee]( "Outgoing HKU vice-chancellor Peter Mathieson clarifies an earlier joint statement made with other university heads. Photo: Dickson Lee")
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![China imported 1.6 million tonnes of coal from North Korea in August despite issuing a total ban on the trade six months earlier. Photo: Reuters]( "China imported 1.6 million tonnes of coal from North Korea in August despite issuing a total ban on the trade six months earlier. Photo: Reuters")
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![Members of a bus drivers’ union express concerns about driver fatigue. Many democracy advocates forget about notions of fairness and equality when they step in the workplace. Photo: David Wong]( "Members of a bus drivers’ union express concerns about driver fatigue. Many democracy advocates forget about notions of fairness and equality when they step in the workplace. Photo: David Wong")
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