Le couvert forestier mondial a diminué de 3,1% entre 2000 et 2005, les forêts boréales ayant compté pour environ un tiers de cette perte, suivies par les zones forestières tropicales
Les émissions de dioxyde de carbone (CO2) entraînent un accroissement sans précédent de l’acidification des océans avec des conséquences indéterminées à long terme sur la vie marine, selon une étude
Un homme espagnol a reçu une greffe totale du visage au mois de mars et a commencé à communiquer. C’est ce qu’a déclaré ce jeudi le responsable du service de
Hubble, le premier télescope spatial qui a révolutionné l’astronomie et bouleversé notre vision de l’univers en transmettant des images époustouflantes de galaxies lointaines, célèbre ce week-end le vingtième anniversaire de
Une plateforme pétrolière située dans le golfe du Mexique, non loin des côtes américaines, a sombré jeudi, deux jours après une très forte explosion suivie d’un incendie qui ont fait
Autour de 5 500 tonnes de déchets divers, dont 19 000 objets de plus de 10 cm, se trouvent en orbite basse, là où les probabilités de collision sont les
C’est dans la décharge de Can Mata, en Catalogne, qu’une équipe de paléontologues espagnols a retrouvé des restes fossilisées (des fragments de mâchoires et de molaires) d’une espèce de primate
Les Sciences de la Vie et de la Terre au collège et au lycée. Découverte, actualité, cours, aide et soutien en ligne.
RÉVISIONS EXAMENS SVT DNB ET BAC
| Cookie | Durée | Description |
|---|---|---|
| cookielawinfo-checkbox-advertisement | 1 year | The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Advertisement". |
| cookielawinfo-checkbox-analytics | 1 year | This cookies is set by GDPR Cookie Consent WordPress Plugin. The cookie is used to remember the user consent for the cookies under the category "Analytics". |
| cookielawinfo-checkbox-necessary | 1 year | This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary". |
| cookielawinfo-checkbox-performance | 1 year | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance". |
| PHPSESSID | session | This cookie is native to PHP applications. The cookie is used to store and identify a users' unique session ID for the purpose of managing user session on the website. The cookie is a session cookies and is deleted when all the browser windows are closed. |
| SERVERID | This cookie is used to assign the user to a specific server, thus to provide a improved and faster server time. It remembers which server had delivered the last page on to the browser. It also helps in load balancing. |
| Cookie | Durée | Description |
|---|---|---|
| currency | 1 hour | This cookie is used to store the currency preference of the user. |
| lang | This cookie is used to store the language preferences of a user to serve up content in that stored language the next time user visit the website. |
| Cookie | Durée | Description |
|---|---|---|
| YSC | session | This cookies is set by Youtube and is used to track the views of embedded videos. |
| __utma | 2 years | This cookie is set by Google Analytics and is used to distinguish users and sessions. The cookie is created when the JavaScript library executes and there are no existing __utma cookies. The cookie is updated every time data is sent to Google Analytics. |
| __utmb | 30 minutes | The cookie is set by Google Analytics. The cookie is used to determine new sessions/visits. The cookie is created when the JavaScript library executes and there are no existing __utma cookies. The cookie is updated every time data is sent to Google Analytics. |
| __utmc | session | The cookie is set by Google Analytics and is deleted when the user closes the browser. The cookie is not used by ga.js. The cookie is used to enable interoperability with urchin.js which is an older version of Google analytics and used in conjunction with the __utmb cookie to determine new sessions/visits. |
| __utmt | 10 minutes | The cookie is set by Google Analytics and is used to throttle request rate. |
| __utmz | 6 months | This cookie is set by Google analytics and is used to store the traffic source or campaign through which the visitor reached your site. |
| Cookie | Durée | Description |
|---|---|---|
| IDE | 1 year 24 days | Used by Google DoubleClick and stores information about how the user uses the website and any other advertisement before visiting the website. This is used to present users with ads that are relevant to them according to the user profile. |
| OAGEO | session | This cookie is set by the provider OpenX. This cookie is used for advertising campaigns on the website. The cookie helps in avoiding the same ad showing repeatedly. |
| OAID | 1 year | This cookie is set when an AdsWizz website visitor have opted out the collection of information by AdsWizz service or opted to disable the targeted ads by AdsWizz. |
| test_cookie | 15 minutes | This cookie is set by doubleclick.net. The purpose of the cookie is to determine if the user's browser supports cookies. |
| VISITOR_INFO1_LIVE | 5 months 27 days | This cookie is set by Youtube. Used to track the information of the embedded YouTube videos on a website. |
| Cookie | Durée | Description |
|---|---|---|
| CONSENT | 16 years 8 months 19 days 4 hours | No description |
| cookielawinfo-checkbox-functional | 1 year | The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". |
| cookielawinfo-checkbox-others | 1 year | No description |
| corpus | No description | |
| fb_sessiontraffic | 20 minutes | No description |
| pathway | 20 minutes | No description |
| SRV | No description | |
| TS011556a6 | No description | |
| visitor | 1 year | No description |
