| The things we do for love Designed both to regulate sexual relationships and to nurture children, families are fraught with conflict, but it's hard to think of a better alternative, says Adam Phillips pheedo.com |
The sex lives of animals: A rough guide The animal kingdom features sexual behaviours that most of us would find shocking. takes a tour of the weird, the dangerous, and the downright kinky feeds.newscientist.com |
Panda love calls could help conservation efforts Mimicking males' bleats could encourage the endangered bears to mate, say researchers – hear the calls for yourself feeds.newscientist.com |
Giant sperm stretch back millions of years Gigantic reproductive cells many times longer than the minute animals that produce them existed way back in the geological record, scans show feeds.newscientist.com |
For the record • We mistakenly illustrated a story about "pointillist graphics" for computers (3 April, p 18) with a standard polygon image; had it been pointillist it would... feeds.newscientist.com |