Share Tweet Deliver Issue to: Afghanistan Åland Islands Albania Algeria American Samoa Andorra Angola Anguilla Antarctica Antigua and Barbuda Argentina Armenia Aruba Australia Austria Azerbaijan Bahamas Bahrain Bangladesh Barbados Belarus Belau Belgium Belize Benin Bermuda Bhutan Bolivia Bonaire, Saint Eustatius and Saba Bosnia and Herzegovina Botswana Bouvet Island Brazil British Indian Ocean Territory Brunei Bulgaria Burkina Faso Burundi Cambodia Cameroon Canada Cape Verde Cayman Islands Central African Republic Chad Chile China Christmas Island Cocos (Keeling) Islands Colombia Comoros Congo (Brazzaville) Congo (Kinshasa) Cook Islands Costa Rica Croatia Cuba Curaçao Cyprus Czech Republic Denmark Djibouti Dominica Dominican Republic Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Eswatini Ethiopia Falkland Islands Faroe Islands Fiji Finland France French Guiana French Polynesia French Southern Territories Gabon Gambia Georgia Germany Ghana Gibraltar Greece Greenland Grenada Guadeloupe Guam Guatemala Guernsey Guinea Guinea-Bissau Guyana Haiti Heard Island and McDonald Islands Honduras Hong Kong Hungary Iceland India Indonesia Iran Iraq Ireland Isle of Man Israel Italy Ivory Coast Jamaica Japan Jersey Jordan Kazakhstan Kenya Kiribati Kuwait Kyrgyzstan Laos Latvia Lebanon Lesotho Liberia Libya Liechtenstein Lithuania Luxembourg Macao Madagascar Malawi Malaysia Maldives Mali Malta Marshall Islands Martinique Mauritania Mauritius Mayotte Mexico Micronesia Moldova Monaco Mongolia Montenegro Montserrat Morocco Mozambique Myanmar Namibia Nauru Nepal Netherlands New Caledonia New Zealand Nicaragua Niger Nigeria Niue Norfolk Island North Korea North Macedonia Northern Mariana Islands Norway Oman Pakistan Palestinian Territory Panama Papua New Guinea Paraguay Peru Philippines Pitcairn Poland Portugal Puerto Rico Qatar Reunion Romania Russia Rwanda São Tomé and Príncipe Saint Barthélemy Saint Helena Saint Kitts and Nevis Saint Lucia Saint Martin (Dutch part) Saint Martin (French part) Saint Pierre and Miquelon Saint Vincent and the Grenadines Samoa San Marino Saudi Arabia Senegal Serbia Seychelles Sierra Leone Singapore Slovakia Slovenia Solomon Islands Somalia South Africa South Georgia/Sandwich Islands South Korea South Sudan Spain Sri Lanka Sudan Suriname Svalbard and Jan Mayen Sweden Switzerland Syria Taiwan Tajikistan Tanzania Thailand Timor-Leste Togo Tokelau Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Turks and Caicos Islands Tuvalu Uganda Ukraine United Arab Emirates United Kingdom (UK) United States (US) United States (US) Minor Outlying Islands Uruguay Uzbekistan Vanuatu Vatican Venezuela Vietnam Virgin Islands (British) Virgin Islands (US) Wallis and Futuna Western Sahara Yemen Zambia Zimbabwe Other countries The two-hour marathon: can science make it happen?$8.99 Options Choose an optionDigitalClear Quantity: The two-hour marathon: can science make it happen? quantity — OR — Add to cart SKU: COSMOS071 Categories: Digital Download, Issues Description Additional information Description In this issue: Breaking the two-hour marathon barrier – with science Solving a whale shark mystery with the help of the stars and citizen science Fracking’s surprising origins Madagascar takes a cue from Australia in battling a toad invasion Why stars sparkle And much more! Additional information Options Digital You may also like… Cosmos Magazine Digital Delivery From: $30.00 / year Select options Related products Mending a battle scarred mind $8.99 Select options Plug in for a better you? $8.99 Select options Scanning for life on Mars $8.99 Select options Catastrophe on the horizon $8.99 Select options