first_img(left to right): NICOLLE R. FULLER/SCIENCE SOURCE; CATE GILLON/GETTY IMAGES; PAUL STAROSTA/GETTY IMAGES Your gut is directly connected to your brain, by a newly discovered neuron circuitThe human gut is lined with more than 100 million nerve cells—it’s practically a brain unto itself. But a new study reveals the gut has a much more direct connection to the brain than previously thought: a neural circuit through the vagus nerve that allows it to transmit signals in mere seconds. The findings could lead to new treatments for obesity, eating disorders, and even depression and autism—all of which have been linked to a malfunctioning gut.Meta-analyses were supposed to end scientific debates. Often, they only cause more controversy The number of meta-analyses has exploded the past decade; some 11,000 were published in 2017. The studies, which extract and weigh data from a number of primary studies, have become widely accepted as a standardized, less biased way to answer scientific questions; they are sometimes called the “platinum standard” of evidence and guide thousands of treatment guidelines and social policies. But many meta-analyses aren’t the debate enders scientists hoped they would be, as researcher bias continues to creep in.Mosquitoes may be contaminating ecosystems with tiny bits of plasticAs mosquito larvae feed from pond water, they can draw tiny pieces of plastic into their mouths along with food particles. New research shows these “microplastics” stick around in the mosquitoes’ bellies as they transition to adulthood, putting their land predators like birds, bats, and dragonflies in danger of ingesting the contaminants.Remote solar observatory reopens after mysterious evacuationThe Sunspot Solar Observatory in New Mexico reopened on Monday after it was quickly and mysteriously evacuated on 6 September amid reports of a Federal Bureau of Investigation probe. The organization said it evacuated the site because of a concern that a suspect posed a threat to the safety of staff and residents, but it was reluctant to share news during the shutdown because it did not want to alert the suspect and impede the investigation.Drug combo shows promise for treating sleep apneaFor decades, scientists have searched in vain for drugs to defeat obstructive sleep apnea, the risky and increasingly prevalent condition in which a person’s upper airway repeatedly collapses during sleep, causing them to briefly stop breathing dozens or hundreds of times each night. Now, a new drug combination of atomoxetine and oxybutynin has reawakened hopes of treating sleep apnea with medication instead of the cumbersome breathing machines that saddle sufferers with a mask and headgear at night. Click to view the privacy policy. Required fields are indicated by an asterisk (*) Sign up for our daily newsletter Get more great content like this delivered right to you! Country Email Top stories: the gut-brain connection, metawars, and mosquitoes spreading microplastics By Frankie SchembriSep. 21, 2018 , 2:30 PM Country * Afghanistan Aland Islands Albania Algeria Andorra Angola Anguilla Antarctica Antigua and Barbuda Argentina Armenia Aruba Australia Austria Azerbaijan Bahamas Bahrain Bangladesh Barbados Belarus Belgium Belize Benin Bermuda Bhutan Bolivia, Plurinational State of Bonaire, Sint Eustatius and Saba Bosnia and Herzegovina Botswana Bouvet Island Brazil British Indian Ocean Territory Brunei Darussalam 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 Congo, the Democratic Republic of the Cook Islands Costa Rica Cote d’Ivoire Croatia Cuba Curaçao Cyprus Czech Republic Denmark Djibouti Dominica Dominican Republic Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Ethiopia Falkland Islands (Malvinas) Faroe Islands Fiji Finland France French Guiana French Polynesia French Southern Territories Gabon Gambia Georgia Germany Ghana Gibraltar Greece Greenland Grenada Guadeloupe Guatemala Guernsey Guinea Guinea-Bissau Guyana Haiti Heard Island and McDonald Islands Holy See (Vatican City State) Honduras Hungary Iceland India Indonesia Iran, Islamic Republic of Iraq Ireland Isle of Man Israel Italy Jamaica Japan Jersey Jordan Kazakhstan Kenya Kiribati Korea, Democratic People’s Republic of Korea, Republic of Kuwait Kyrgyzstan Lao People’s Democratic Republic Latvia Lebanon Lesotho Liberia Libyan Arab Jamahiriya Liechtenstein Lithuania Luxembourg Macao Macedonia, the former Yugoslav Republic of Madagascar Malawi Malaysia Maldives Mali Malta Martinique Mauritania Mauritius Mayotte Mexico Moldova, Republic of Monaco Mongolia Montenegro Montserrat Morocco Mozambique Myanmar Namibia Nauru Nepal Netherlands New Caledonia New Zealand Nicaragua Niger Nigeria Niue Norfolk Island Norway Oman Pakistan Palestine Panama Papua New Guinea Paraguay Peru Philippines Pitcairn Poland Portugal Qatar Reunion Romania Russian Federation Rwanda Saint Barthélemy Saint Helena, Ascension and Tristan da Cunha Saint Kitts and Nevis Saint Lucia Saint Martin (French part) Saint Pierre and Miquelon Saint Vincent and the Grenadines Samoa San Marino Sao Tome and Principe Saudi Arabia Senegal Serbia Seychelles Sierra Leone Singapore Sint Maarten (Dutch part) Slovakia Slovenia Solomon Islands Somalia South Africa South Georgia and the South Sandwich Islands South Sudan Spain Sri Lanka Sudan Suriname Svalbard and Jan Mayen Swaziland Sweden Switzerland Syrian Arab Republic Taiwan Tajikistan Tanzania, United Republic of Thailand Timor-Leste Togo Tokelau Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Turks and Caicos Islands Tuvalu Uganda Ukraine United Arab Emirates United Kingdom United States Uruguay Uzbekistan Vanuatu Venezuela, Bolivarian Republic of Vietnam Virgin Islands, British Wallis and Futuna Western Sahara Yemen Zambia Zimbabwelast_img

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