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WELCOME p9JGP + ƂTUV NQQMGF DCEM CV VJG 'CTVJ UVCPFKPI QP VJG /QQP + ETKGF q 6JQUG CTG VJG YQTFU QH CUVTQPCWV #NCP 5JGRCTF YJQ KP DGECOG VJG HKHVJ RGTUQP VQ YCNM QP VJG /QQP [GCTU CHVGT DGEQOKPI VJG HKTUV #OGTKECP VQ VTCXGN KPVQ URCEG *GoU QPG QH VJG UGNGEV HGY YJQoXG UGGP 'CTVJ CU C INQDG HTQO URCEG s CP GZRGTKGPEG VJCVoU QHVGP FGUETKDGF D[ CUVTQPCWVU CU IKXKPI VJGO C UWFFGP CYCTGPGUU QH VJG HTCIKNKV[ QH QWT RNCPGV 2U[EJQNQIKUVU JCXG FWDDGF VJKU nVJG QXGTXKGY GHHGEVo 1PG FC[ YG OKIJV CNN GZRGTKGPEG VJKU HGGNKPI #U VGORGTCVWTGU TKUG RQRWNCVKQPU ITQY CPF GEQU[UVGOU UVTCKP WPFGT QWT KPHNWGPEG VJG 'CTVJ KU NQQMKPI KPETGCUKPIN[ HTCIKNG +PFGGF NCUV [GCT 2TQH 5VGRJGP *CYMKPI YCTPGF VJCV YG QPN[ JCXG [GCTU NGHV VQ HKPF C PGY JQOG RNCPGV +V OKIJV UQWPF NKMG RKG KP VJG UM[ DWV VJG KFGC QH NGCXKPI 'CTVJ HQT IQQF KU QPG VJCV UEKGPVKUVU CTG VCMKPI UGTKQWUN[ (TQO & RTKPVGF DWKNFKPIU VQ CUVGTQKF OKPKPI CPF HTQO URCEG CITKEWNVWTG VQ HQQF OCFG HTQO RQQ C TCHV QH PGY VGEJPQNQIKGU YKNN OCMG KV GCUKGT HQT QWT FGUEGPFCPVU VQ UGV WR DCUG GNUGYJGTG KP VJG EQUOQU /GCPYJKNG TGEGPV GZRGTKOGPVU QP VJG +PVGTPCVKQPCN 5RCEG 5VCVKQP CTG TGXGCNKPI OQTG CDQWV JQY YGoNN UVC[ JGCNVJ[ QP NQPI VGTO OKUUKQPU CPF JQY URCEG VTCXGN CHHGEVU VJG JWOCP TGRTQFWEVKXG U[UVGO s UQOGVJKPI VJCVoU ETWEKCN VQ WPFGTUVCPF KH YGoTG GXGT IQKPI VQ IQ HQTVJ CPF RTQETGCVG QP CPQVJGT RNCPGV 1WT URGEKCN TGRQTV UVCTVU QP RCIG Daniel Benne￿, Editor OCTOBER 2018 WHAT WE’VE FOUND OUT THIS MONTH There are five basic types of exoplanet that we know about so far p18 Female beluga whales and narwhals undergo the menopause, bringing the total number of species known to do so to five p22 Selling painkiller tablets in blister packs has helped to reduce the number of overdoses p70 There are mice onboard the International Space Station p49 Appropriate hospital architecture can play a role in helping people recover from illness p101 IN THIS ISSUE A R T I O : D U S K / F O L C O V E R SIMON CROMPTON Simon, a former health editor for TheTimes and The Daily Telegraph, has been attempting to get to grips with the alarming male suicide rate. p70 EMMA DAVIES With a PhD in food chemistry, Emma was the ideal person to look at the surprising health benefits of one of Britain’s favourite meals: curry. p63 COLIN STUART Astronomer and science author Colin looks at the challenges humanity will face – and how wemight overcome them – if we ever need to leave Earth. p40 CONTACT US Advertising neil.lloyd@immediate.co.uk 0117 300 8276 Le ers for publication reply@sciencefocus.com Editorial enquiries editorialenquiries@sciencefocus.com 0117 300 8755 Subscriptions bbcfocus@buysubscriptions.com 03330 162 113* Other contacts sciencefocus.com/contact WANT MORE ? FOLLOW SCIENCEFOCUS FACEBOOK TWITTER PINTEREST INSTAGRAM GOOGLE+ *Calls from landlines will cost up to 9p per minute. Calls from mobile phones will cost between 3p and 55p per minute but are included in free call packages. Lines are open 8am-6pm weekdays and 9am-1pm Saturday for orders only. If calling from overseas, please call +44 1604 973 721. BBCScience Focus (ISSN 0966-4270)(USPS 015-160) is published 14 times a year (monthly with a Summer issue in July and a Christmas issue in December) by Immediate Media Company, Bristol, 2nd Floor, Tower House, Fairfax St., Bristol BS1 3BN. Distributed in the US by Circulation Specialists, LLC, 2 Corporate Drive, Suite 945, Shelton, CT 06484-6238. Periodicals postage paid at Shelton, CT and additional mailing o ices. POSTMASTER: Send address changes to BBCScience Focus, PO Box 37495, Boone, IA 50037-0495.

WELCOME

p9JGP + ƂTUV NQQMGF DCEM CV VJG 'CTVJ UVCPFKPI QP VJG /QQP + ETKGF q 6JQUG CTG VJG YQTFU QH CUVTQPCWV #NCP 5JGRCTF YJQ KP DGECOG VJG HKHVJ RGTUQP VQ YCNM QP VJG /QQP [GCTU CHVGT DGEQOKPI VJG HKTUV #OGTKECP VQ VTCXGN KPVQ URCEG *GoU QPG QH VJG UGNGEV HGY YJQoXG UGGP 'CTVJ CU C INQDG HTQO URCEG s CP GZRGTKGPEG VJCVoU QHVGP FGUETKDGF D[ CUVTQPCWVU CU IKXKPI VJGO C UWFFGP CYCTGPGUU QH VJG HTCIKNKV[ QH QWT

RNCPGV 2U[EJQNQIKUVU JCXG FWDDGF VJKU nVJG QXGTXKGY GHHGEVo

1PG FC[ YG OKIJV CNN GZRGTKGPEG VJKU HGGNKPI #U VGORGTCVWTGU TKUG RQRWNCVKQPU ITQY CPF GEQU[UVGOU UVTCKP WPFGT QWT KPHNWGPEG VJG 'CTVJ KU NQQMKPI KPETGCUKPIN[ HTCIKNG +PFGGF NCUV [GCT 2TQH 5VGRJGP *CYMKPI YCTPGF VJCV YG QPN[ JCXG [GCTU NGHV VQ HKPF C PGY JQOG RNCPGV

+V OKIJV UQWPF NKMG RKG KP VJG UM[ DWV VJG KFGC QH NGCXKPI 'CTVJ HQT IQQF KU QPG VJCV UEKGPVKUVU CTG VCMKPI UGTKQWUN[ (TQO & RTKPVGF DWKNFKPIU VQ CUVGTQKF OKPKPI CPF HTQO URCEG CITKEWNVWTG VQ HQQF OCFG HTQO RQQ C TCHV QH PGY VGEJPQNQIKGU YKNN OCMG KV GCUKGT HQT QWT FGUEGPFCPVU VQ UGV WR DCUG GNUGYJGTG KP VJG EQUOQU /GCPYJKNG TGEGPV GZRGTKOGPVU QP VJG +PVGTPCVKQPCN 5RCEG 5VCVKQP CTG TGXGCNKPI OQTG CDQWV JQY YGoNN UVC[ JGCNVJ[ QP NQPI VGTO OKUUKQPU CPF JQY URCEG VTCXGN CHHGEVU VJG JWOCP TGRTQFWEVKXG U[UVGO s UQOGVJKPI VJCVoU ETWEKCN VQ WPFGTUVCPF KH YGoTG GXGT IQKPI VQ IQ HQTVJ CPF RTQETGCVG QP CPQVJGT RNCPGV 1WT URGEKCN TGRQTV UVCTVU QP RCIG

Daniel Benne￿, Editor

OCTOBER 2018

WHAT WE’VE FOUND OUT THIS MONTH

There are five basic types of exoplanet that we know about so far p18

Female beluga whales and narwhals undergo the menopause, bringing the total number of species known to do so to five p22

Selling painkiller tablets in blister packs has helped to reduce the number of overdoses p70

There are mice onboard the International Space Station p49

Appropriate hospital architecture can play a role in helping people recover from illness p101

IN THIS ISSUE

A R T

I O

: D U S K / F O L

C O V E R

SIMON CROMPTON Simon, a former health editor for TheTimes and The Daily Telegraph, has been attempting to get to grips with the alarming male suicide rate. p70

EMMA DAVIES With a PhD in food chemistry, Emma was the ideal person to look at the surprising health benefits of one of Britain’s favourite meals: curry. p63

COLIN STUART Astronomer and science author Colin looks at the challenges humanity will face – and how wemight overcome them – if we ever need to leave Earth. p40

CONTACT US

Advertising neil.lloyd@immediate.co.uk 0117 300 8276

Le ers for publication reply@sciencefocus.com

Editorial enquiries editorialenquiries@sciencefocus.com 0117 300 8755

Subscriptions bbcfocus@buysubscriptions.com 03330 162 113*

Other contacts sciencefocus.com/contact

WANT MORE ? FOLLOW SCIENCEFOCUS

FACEBOOK TWITTER PINTEREST INSTAGRAM GOOGLE+

*Calls from landlines will cost up to 9p per minute. Calls from mobile phones will cost between 3p and 55p per minute but are included in free call packages. Lines are open 8am-6pm weekdays and 9am-1pm Saturday for orders only. If calling from overseas, please call +44 1604 973 721. BBCScience Focus (ISSN 0966-4270)(USPS 015-160) is published 14 times a year (monthly with a Summer issue in July and a Christmas issue in December) by Immediate Media Company, Bristol, 2nd Floor, Tower House, Fairfax St., Bristol BS1 3BN. Distributed in the US by Circulation Specialists, LLC, 2 Corporate Drive, Suite 945, Shelton, CT 06484-6238. Periodicals postage paid at Shelton, CT and additional mailing o ices. POSTMASTER: Send address changes to BBCScience Focus, PO Box 37495, Boone, IA 50037-0495.

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