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Science for seven- to nine-year-olds.

How 30 years of one man's note-taking is helping scientists find out if spring is arriving earlier. The programme also features BBC Springwatch's nationwide survey, the biggest survey of its kind ever.

10 minutes

Last on

Fri 8 May 200911:30
BBC Two except Northern Ireland & Yorkshire

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Broadcasts

  • Wed 5 Mar 200812:55
    CBBC
  • Mon 28 Apr 200813:00
    BBC Two except East & Yorkshire
  • Fri 6 Mar 200911:30
    BBC Two except East & Yorkshire
  • Fri 8 May 200911:30
    BBC Two except East, Northern Ireland & Yorkshire